K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

put the verbs in brackets in the present perfect or the simple past tense.

1 we ( never watch ) ............................. that TV proramme.

2 we (wacth) ............................... a good programme on TV last night.

3 he (read)........................that novel many times before

4 he (read).........................that novel again during my last vacation

5 I (have)......................... a little trouble with my car last week.

6 however I (have)......................... no trouble with my car since then.

7 I (not see).............................John for a long time I (see)........................him 3 weeks ago

8 the school bell (ring)..............................we must go now

9 I (meet)...................................mary last night she (become)...................a very big girl

10 he is very thirsty he (not drink).......................a very big girl

11 it is very hot summer (com).........................

12 they (study)........................at this school for 7 years now

13 they (begin).........................to study at this school 7 years ago

14 since when (you know).....................her

15 how long ago (he start) .......................... to learn french

put the verbs in brackets in the present tenses

1 I (be).....................sorry I (forget)...................... that fellow's name already

2 Jack (look)....................... forward to his vacation next June

3 I (have)......................... no trouble with my english lessons up to now

4 mr and mrs brown (be).................... in new york for 2 months

5 michael (work) .......................... 38 hours a week

mn giúp mk giải mấy câu này với

giải thích giùm mk lun nha

mk cần gấp lắm :(((

0
8 tháng 12 2019

1.David ( come) ....comes...from England

2.I was driving home when I ( see) ..saw..a car which ( break).was broken..down,so I ( stop)..stopped.to see if I could help.

3.He ( not like).doesn't like.cooking very much

4.when I ( come).came..to the room last night .this film ( begin) ..had begun.a quarter before

5.Why ( you/ wash) ..do you wash. your car this early morning

6.What ( he/do) ..did he do..yesterday?

7.My father never ( drink) ...drinks..wine

8.when the earthquake (take place) ..took place..,I (work)..was working...in my office

9.Shakespeare ( write)....were written......many dramas

10.Look! the girl (go).is going. to catch the bus

11.have We ( see) ..seen..that film before 1975?

12. This room ( paint).has been painted. since the last time I (be).was..here

13.(you/meet) ..did you meet..her when you were in Italy?

14. Those singera (be)..have been.. famous in my country for years.

Give the correct tense of the verbs 1. Jane (not be) at home yesterday evening 2. George (not, complete) the assignment yet 3. How long ago (he start) to learn French ? 4. My father usually (drink) beer after meals but now he (drink) tea 5. After he (be) ill for a long time, he (die) last year 6. My children (watch) TV when I (come) back from work 7. I (see) a bad accident while I (wait) for you on this corner 8. As soon as he (get) a certificate in English, he will apply for a job 9....
Đọc tiếp

Give the correct tense of the verbs

1. Jane (not be) at home yesterday evening

2. George (not, complete) the assignment yet

3. How long ago (he start) to learn French ?

4. My father usually (drink) beer after meals but now he (drink) tea

5. After he (be) ill for a long time, he (die) last year

6. My children (watch) TV when I (come) back from work

7. I (see) a bad accident while I (wait) for you on this corner

8. As soon as he (get) a certificate in English, he will apply for a job

9. When I looked round the door, the baby (sleep) quietly

10. She is very absent-minded: she (lose) her cell phone three times

11. I was sure that I (meet) him before

12. Nothing (change) in this town since I first visited it

13. While they (dance) in the hall, the light (go) out

14. This is the first time I (be) to this country

15. Today is Thursday and she (be) late twice this week. She (be) late yesterday and on Monday

16. Last month my brother (send) me his photos. He (send) me his photos every year

17. What (you, do) since you left school ?

18. Sometimes I get up before the sun (rise)

19. After Jessica (finish) her degree, she intends to work in her father's company

20. By the time the police arrived, the house (be) burned down

21. I won't leave until she (come) back

22. They (begin) to study at this school 7 years ago

23. Listen ! Someone (knock) the door

24. He often (listen) to classical music whenever he (have) free time

25. They (not go) to the library last Sunday

26. Tom (not, speak) to me since he (arrive)

27. So far this week there (be) three burglaries in our street

28. Susan (send) a letter to her university last month after she (receive) her scholarship check

29. Be quiet ! My parent (work) in the room

30. My mother (be) in hospital for a long time and she cannot go home yet

31. Tim (play) chess when I (come) to visit him yesterday

32. You (see) Robert lately ?

33. When I was a child, I (play) the violin

34. John will buy that book as soon as he (receive) his money next week

35. Linh's brother (lose) his job last month and since then he (be) out of work

36. As soon as she (save) one hundred million dongs, she will retire from work

37. When she was a little girl, every weekend (seem) ideal

38. How many times you (be) to Ho Chi Minh City ?

1
7 tháng 6 2020

Give the correct tense of the verbs

1. Jane (not be) wasn't at home yesterday evening

2. George (not, complete) hasn't completed the assignment yet

3. How long ago (he start) did he start to learn French ?

4. My father usually (drink) drinks beer after meals but now he (drink) is drinking tea

5. After he (be) had been ill for a long time, he (die) died last year

6. My children (watch) were watching TV when I (come)came back from work

7. I (see) saw a bad accident while I (wait) was waiting for you on this corner

8. As soon as he (get) gets a certificate in English, he will apply for a job

9. When I looked round the door, the baby (sleep) was sleeping quietly

10. She is very absent-minded: she (lose)has lost her cell phone three times

11. I was sure that I (meet) had met him before

12. Nothing (change) has been changed in this town since I first visited it

13. While they (dance) were dancing in the hall, the light (go) went out

14. This is the first time I (be) have been to this country

15. Today is Thursday and she (be) is late twice this week. She (be) was late yesterday and on Monday

16. Last month my brother (send) sent me his photos. He (send) sends me his photos every year

17. What (you, do) have you done since you left school ?

18. Sometimes I get up before the sun (rise)rises

19. After Jessica (finish)finishes her degree, she intends to work in her father's company

20. By the time the police arrived, the house (be)had been burned down

21. I won't leave until she (come) comes back

22. They (begin) began to study at this school 7 years ago

23. Listen ! Someone (knock)is knocking the door

24. He often (listen) listens to classical music whenever he (have) has free time

25. They (not go)didn't go to the library last Sunday

26. Tom (not, speak) hasn't spoken to me since he (arrive)arrived

27. So far this week there (be)has been three burglaries in our street

28. Susan (send)sent a letter to her university last month after she (receive)had received her scholarship check

29. Be quiet ! My parent (work) are working in the room

30. My mother (be)has been in hospital for a long time and she cannot go home yet

31. Tim (play) was playing chess when I (come) came to visit him yesterday

32. Have You (see) seen Robert lately ?

33. When I was a child, I (play) played the violin

34. John will buy that book as soon as he (receive) receives his money next week

35. Linh's brother (lose) lost his job last month and since then he (be)has been out of work

36. As soon as she (save)saves one hundred million dongs, she will retire from work

37. When she was a little girl, every weekend (seem)seemed ideal

38. How many times have you (be) been to Ho Chi Minh City ?

Complete the sentences with the verbs in parentheses 1. he'll be late for the bus if he ( not start) at once 2. jim isn't at home right now. if he( be) at home, i (visit) him 4. fred failed the test because he didn't study. however, if he (study) for the test, he (pass) it 5. if i (know) that there was a test yesterday, i (study) 6. if you have enough time, please (paint) the chair before you leave 7. i (accept) if they invite me to the party 8. had we know your address, we ( write) you...
Đọc tiếp

Complete the sentences with the verbs in parentheses

1. he'll be late for the bus if he ( not start) at once
2. jim isn't at home right now. if he( be) at home, i (visit) him
4. fred failed the test because he didn't study. however, if he (study) for the test, he (pass) it
5. if i (know) that there was a test yesterday, i (study)
6. if you have enough time, please (paint) the chair before you leave
7. i (accept) if they invite me to the party
8. had we know your address, we ( write) you a letter
9. if you(do) as i told you, you ( succeed)
10. if you come here in spring, you ( have) a chance to go to the village fair
11. i could understad the frech teacher if she ( speak) more slowly
12. we could go for a drive if today (be) sunday
13. if your mother ( buy) that motorcycle for you, will you be happy?
14. if i (see) the movie last night, i (tell) you about it
15. i will ring the bell once more. if he doesn't answer, i think he ( must go) out
16. if i make a prmise, i (keep) it
17. he described the accident as if he ( see) it himself
18. we're going to play tennis this afternoon if it (stop) raining
19. if i had asked you,you ( accept)?
20. if he (come) , please ( tell) me
21. you were late last night. if you (arrive) ten minutes earlier you (get) a seat
22. if i (realize) thatthe traffic light were red. i(stop)

23. She won’t open the door unless she (know) who it is.

24.I (not lend) him the money if you (tell) me that he never paid his debts

25.If I (can) speak two languages last year, i (get) a good job

26.If there (be) no sunshine, we all (die) soon

27. You shouldn't believe it if you (not see) it with you own eyes

28. I (not do) that if I (be) you

1
6 tháng 8 2017

Complete the sentences with the verbs in parentheses

1. he'll be late for the bus if he ( not start) doesn't start at once
2. jim isn't at home right now. if he( be) were at home, i (visit) would visit him
4. fred failed the test because he didn't study. however, if he (study) had studied for the test, he (pass) would have passed it
5. if i (know) had known that there was a test yesterday, i (study) would have studied
6. if you have enough time, please (paint) paint the chair before you leave
7. i (accept) will accept if they invite me to the party
8. had we know your address, we ( write) would have written you a letter
9. if you(do) had done as i told you, you ( succeed) would have succeeded
10. if you come here in spring, you ( have) will have a chance to go to the village fair
11. i could understad the frech teacher if she ( speak) spoke more slowly
12. we could go for a drive if today (be) were sunday
13. if your mother ( buy) buys that motorcycle for you, will you be happy?
14. if i (see) had seen the movie last night, i (tell) would have told you about it
15. i will ring the bell once more. if he doesn't answer, i think he ( must go) must have gone out
16. if i make a prmise, i (keep) will keep it
17. he described the accident as if he ( see) had seen it himself
18. we're going to play tennis this afternoon if it (stop) stops raining
19. if i had asked you, would you (accept) have accepted?
20. if he (come) comes, please ( tell) tell me
21. you were late last night. if you (arrive) had arrived ten minutes earlier you (get) would have got a seat
22. if i (realize) had realized that the traffic light were red. i(stop) would have stopped

23. She won’t open the door unless she (know) knows who it is.

24.I (not lend) wouldn't have lent him the money if you (tell) told me that he never paid his debts

25.If I (can) could speak two languages last year, i (get) would have got a good job

26.If there (be) were no sunshine, we would all (die) die soon

27. You shouldn't believe it if you (not see) ​didn't see it with you own eyes

28. I (not do) wouldn't do that if I (be) were you

22 tháng 8 2019

put each verb in brackets in a suitable past form.

1,i( not/see) ...didn't see...the film last night because i (see)...have seen....ít several times before.

2,Mary(not wear)..isn't wearing.. her glasses at the time ,so she (not see)...doesn't see..what color the man's T-shirt(be)......is....

3,nick(lie)..has been lying....down on the grass for a while,next to some tourists who (feed)....are feeding...the ducks on the pond.

4,Hundreds of workers (be)....were...on strike since last Monday.

5,it's no use (ask)..asking...john for help.

6,i couldn't help(make)..making....many questions when i ( meet)..meet...joe.i (want)...want....(know)...to know...more about the trip he (make)...made.....

7,what ..are....you (look)...looking...at?...Am...i (wear)....wearing....a strange hairstyle?.

8,(learn)..Learning...how (drive) ..to drive....is the firts choice of many 18-year-old people.

9,we are worried because we (not see)...haven't seen...our cousin since the war (start)...started....

10,long before you (come) ..came... , julia (leave)...had left..for good.

28 tháng 9 2019

Put the verbs in brackets in the past simple

1/ He ( go ) ...........went............ to the doctor 6 months ago

2/ She ( go ) .............went........... out with her boyfriend last night

3/ Laura ( cook ) .........cooked......... a meal yesterday afternoon

4/ Mozart ( write ) ...............wrote........... more than 600 pieces of music

5/ The bed was very comfortable so they ( sleep ) ..........slept........ very well

6/ Jamie passed the exam because he ( study ) ............studied (had studied)......... very hard

7/ My father ( not / teach ) ..............didn't teach.............. the teenagers to drive when he was alive

8/ the little boy ( spend ) ............spent.......... hours in his room making his toys ?

9/ The phone ( ring ) ............rang......... several times and then stopped before I could answer it .

29 tháng 9 2019

câu 8 còn có từ đằng trước nữa mà bạn

3 tháng 8 2019

1 when i (was)a boy, i often (went)fishing with my father

2 columbus(discovered)america 500 years ago

3 when i (left)my office last night,it (was still raining)very hard

4 what do you think the children(will be doing)when we(get)home tomorrow?

5 he (lost) his job last month and since then he(has been)out of work

6 when we(came)there last night,they(had been) there for an hour

7 when we arrived there,they(had already had)dinner

8 when she(entered)the office this morning,he (had already gone)out

9 we(have studied)almost every lesson in this book so far

10 that author doesn't mind(being criticized) by his friends

28 tháng 10 2020

VERB TENSE

1. He (arrive)____arrived____ home five minutes past eight last night.

2. He was very polite. Whenever he (meet)_meets_______me, he (say)__says___" Hello"

3. He (write)___was writing___a letter when he ( break)_broke______the pencil

4. As soon as you (get) ___get____her letter, she (arrive)___arrives____in Paris

5. I (go) ___went___to the post office to ask my package, but they (say)___said__that it ( not, arrive)___hadn't arrived___yet

6. When I (finish ) ___finished____my writing test, all of the students ( already, go)____had already gone___

7. Miss Clark (be) ____has been___with this company for two years now

8. He says he (just, arrive)___has just arrived_______home from work

9. Mary is very nervours because she ( never, see)___has never seen_____such a big sea

Mọi người giúp mình với ạ, mình cảm ơn ạ <3 - He ______ a new dress today. (buy) – ______Nam and Ly ______ to school by bus every day? (go) – My mother ______ her hair every day. (wash) – My brother ______ robbers. (catch) – She____ a student. (be) – They never _____ beer. (drink) – I ____ meet her. (do not) – _____ they friendly? (are/is/am) – The sun often______ in Morocco. (shine) – Rome ______ the capital of Italy. (be) – Birds ______ in winter. (migrate) – Travelling by...
Đọc tiếp

Mọi người giúp mình với ạ, mình cảm ơn ạ <3

- He ______ a new dress today. (buy)
– ______Nam and Ly ______ to school by bus every day? (go)
– My mother ______ her hair every day. (wash)
– My brother ______ robbers. (catch)
– She____ a student. (be)
– They never _____ beer. (drink)
– I ____ meet her. (do not)
– _____ they friendly? (are/is/am)
– The sun often______ in Morocco. (shine)
– Rome ______ the capital of Italy. (be)
– Birds ______ in winter. (migrate)
– Travelling by plane ______ a lot of energy. ( use)

– I _____the book “The harry potter” . (read)
– Nam ____always ____late. (come)
– _____ products _____rapidly? (grow)
– My father ______flower in the garden. (water)
– My younger sister ______ the room. (clean)
– Some people _____ on the grass and _____ a picnic. (sit/ have)
– The number of Web users who shop online ______. ( increase)
– My best friend ¬_______ in a holiday camp. (stay)
– I don’t like the book that I _________ at the moment. (read)
– It has_____ 5 months since I first met her. (be)
– ____ you been to that place before? (Have/has)
– I have _____ for this shop for 1 year.( work)
– He _____ in Germany since 2009. ( live)
– I’ve ______ many art galleries this year. ( visit)
– Is Nam ______ lunch with us? (have)
– Where _____ you _____ go? ( Have/has – be)
– The world _______ a massive shift in transport and tourism in the last decade. ( see)
– How long _____ you _____ there? (live)
– My best friend _______French since November. ( learn)
– I’m so tired. I _______ for the bus for hours. ( wait)
– Hoa ______ about where to go this weekend. ( think)
– The number of people taking up extreme sports______ since the early 1990s. ( increase)
– The amount of free time we have ________ continuously for over 30 years. (rise)
– She looks very exhausted because she ______ all night. (work)
– I ______ this book since last night. ( read)
– They ______ with old class all the day. (chat)
– I ____ the museums in New York. (visit)
– I ______ to Tokyo last year. (travel)
– We always went on holiday to Japan when I ___ a child. ( be)
– Last week I _____ on holiday for 3 days. (go)
– Every summer I ____the school holidays with my grandparents. (spend)
– Dannes _____ to Finland last year, but he _______ it. ( go – like)
– What ___ you do? (do)
– My family ______ from the countryside when I was 12 years old. (move)
– I ______ (swim) in the sea when the rain started.
– Some people _______ (relax) by the pool and others ______ (play) volleyball.
– For the first two days of my holiday I ______ (stay) with friends.
– Last month I ______(have) acting lessons but I had to stop when I lost my voice.
– Sorry, _____ you _____ (sleep)?
– While I was driving home, Peter _____ (try) desperately to contact me.
– The company _______ (decline) rapidly before he took charge.
– Where you ______ (go) when I saw you last weekend?
– My sister ______ (watch) TV when I got home.
– Before she became the 2008 world swimming champion nobody ______ (hear) of Phan Anh.
– Every newspaper and TV channel in the USA wanted to interview Neil Armstrong after he _______ (landing) on the moon.
– Managing an actors image though media relations become popular in the 1980s. Up until then actors _____ (not care) much about their public image.
– An idea occurred to him that she herself ______(help) him very much in the everyday life.
– When I arrived Dennis ______(go) away.
– If I ______(know) that, I would have acted differently.
– Until the 1990s, footballers ______(not earn) such large salaries and they didn’t use to be so famous.
– By the time I met you, I ______(work) in that company for three years.
– Linh ______(study) in Korea before she did her masters at Harvard.
– _____ the film ______(end) when you arrived at the cinema?
– The journalists ______(wait) for over an hour by the time the President arrived at the palace.
– She ______(work) in the clothes store for two years when a customer who represented a model agency spotted her and signed her up.
– They ______ (talk) on the phone when the rain poured down.
– I _______(have) lunch by the time the others came into the restaurant.
– Yesterday, my brother said he ______ (stop) smoking for 2 months.
– The photographers ______(wait) hours for the stars to arrive at the 2010 Oscar ceremony.
– I would have been ready for the test if I ______(prepare) diligently.
I _____ (try) my best to answer all the questions.
– I _____(help) her take care of her children tomorrow morning.
– They ______ (stay) at the shop.
– I _____(bring) money to school tomorrow for you.
– I ______(tell) her the truth.
– _____ you come to company tomorrow?
– I ______(come)back home to take my book which I have forgotten.
– _____ you please bring me a cup of coffee?
– If it stops raining soon, we ______(go) to the hospital.
– ____ we start again from the beginning
– Everyone _______ (learn) how to use the Internet in 50 years time.
– I _______ (finish) my homework before 8 o’clock this evening.
– I _______ (spend) over 100 VND on online shopping by the end of the week.
– It is estimated that in five years time 20 percent more people over the age of 60 _______ (start) to use the Internet.
– The Internet ________ (become) the primary source of information by the middle of the century.
– I _______ (do) the job before the boss come tomorrow.

1
28 tháng 2 2021

– buys– Do – go– washes– catches– is– drink– don’t– Are– shines– is– migrate– uses.– am reading– Is – coming– Are growing– is watering– is cleaning– are sitting – having– is increasing– is staying– am reading.– been– Have– worked– has lived– visited– having– have – been– has seen– have – lived– has been learning– have been waiting– has been thinking– has been increasing– has been rising– has been working– has been reading– have been chatting.– visited– travelled– was– went– spent– went – didn’t like.– did– moved.– was swimming– were relaxing / were playing– was staying– was having– were sleeping– was trying– was declining– were you going– was watching– had heard– had landed– hadn’t cared– had helped– had gone– had known– hadn’t earned– had worked– had studied– Had – ended– had been waiting– had been working– had been talking– had been having– had been stopping– had been waiting– had been preparing– will try– will help– won’t stay– will bring– won’t tell– Will– will come– Will– will go– Shall– will have learnt– will have finished– will have spent– will be started– will have become– will have done

TENSES:Supply the correct werb tenses 1.we seldom (eat)........before 6:30 2.my mother sometimes(buy).............vegetable at this market 3.the earth(circle)..........the sun once every 365 days 4.he had taught in this school before he(leave)...............england 5.the sun (set)........in the west 6.rivers usually(flow)...........to the sea 7.our teacher(tell).......us yesterday that he(visit)......england in 1970 8.I expect I........(have) children in a few years 9.the teacher hopes...
Đọc tiếp

TENSES:Supply the correct werb tenses

1.we seldom (eat)........before 6:30

2.my mother sometimes(buy).............vegetable at this market

3.the earth(circle)..........the sun once every 365 days

4.he had taught in this school before he(leave)...............england

5.the sun (set)........in the west

6.rivers usually(flow)...........to the sea

7.our teacher(tell).......us yesterday that he(visit)......england in 1970

8.I expect I........(have) children in a few years

9.the teacher hopes we(pass).......our exams

10.she(be).........twenty years old on next birthday

11.water(boil)......at 100 degrees celsius

12.lan(study)................four lessons this morning

13.thao is very clever she(speak)........four languages

14.last year Mr.jones(teach)..............us both english and mathematics

15."where do you live?""normally I...........in paris with my parents but at the moment I.........in london so I.......with an english family (live,study,live)

16. he usually.........very hard but he .......at all today because it's a holiday (work,not work)

17.look! that man..............out of the bank! and he........a large bag full of money! (run,carry)

18.I(study).........english for three years

19.up to the present we(write)..........almost every lesson in the look

20.I(not see).......him since last monday

21.geogre(work).......at the university so far

22.my father(not smoke).........for 5 years

23.you(receive)..........any letter from your parents yet?

24.jim sends his love I(just,see)........him in the high street

25.monica says she(alrealy,catch)......the train so she'll be here in half an hour

26.while diana(watch)..........her favourite TV progamme,there(be)..........a power cut

27.who(drive)....the car at the time of the accident?

28.by the time sheila(get)......back, chris(go)...........home

29.I(do)..........some shopping yesterday when I(see)......your friend

30.what you (do)...........when I(come)...........to your office yesterday?

31.who(live).......in that house before the smiths(buy)......it

32.when the police(arrive)............the robbers had gone

33.when I arrived the students(already,go).........in to class

34.miss davis(type).................letters after manager(come)........back

35.my roommate had finished dinner by the time I(get)........home

36.they(go)..............home after they(finish)......their work

37.after they(go)...........I(sit)......down and (rest)........

38.before she(watch).....TV she(do)........her homework

39.when she.....(be)a child she always............(want) to do the most dangerous things

40.I suddenly................(recognize) the town square I...........(be) there ten year before

2
19 tháng 8 2018

TENSES:Supply the correct werb tenses

1.we seldom (eat)...eat.....before 6:30

2.my mother sometimes(buy).....buys........vegetable at this market

3.the earth(circle)...circles .......the sun once every 365 days

4.he had taught in this school before he(leave)......left.........england

5.the sun (set)....sets....in the west

6.rivers usually(flow)....flow.......to the sea

7.our teacher(tell).told......us yesterday that he(visit)..visited ....england in 1970

8.I expect I....had....(have) children in a few years

9.the teacher hopes we(pass)...will pass....our exams

10.she(be)....will be .....twenty years old on next birthday

11.water(boil)...boils...at 100 degrees celsius

12.lan(study)......studied ..........four lessons this morning

13.thao is very clever she(speak)...speaks.....four languages

14.last year Mr.jones(teach)....taught ..........us both english and mathematics

15."where do you live?""normally I....live.......in paris with my parents but at the moment I....am studying .....in london so I....am living ...with an english family (live,study,live)

16. he usually.....works....very hard but he ..isn't working .....at all today because it's a holiday (work,not work)

17.look! that man.....is running .........out of the bank! and he..is carrying ......a large bag full of money! (run,carry)

18.I(study)...have studied ......english for three years

19.up to the present we(write)...are writing .......almost every lesson in the look

20.I(not see)..haven't seen.....him since last monday

19 tháng 8 2018

21.geogre(work)....has worked ...at the university so far

22.my father(not smoke)...hasn't smoked......for 5 years

23.Have you(receive)....received ......any letter from your parents yet?

24.jim sends his love I(just,see)....have just seen ....him in the high street

25.monica says she(alrealy,catch)...has alrealy caught ...the train so she'll be here in half an hour

26.while diana(watch).....is watching .....her favourite TV progamme,there(be)....is ......a power cut

27.who(drive)...was driving .the car at the time of the accident?

28.by the time sheila(get)..is getting ....back, chris(go).......is going ....home

29.I(do)....did ......some shopping yesterday when I(see)...saw ...your friend

30.what were you (do)....doing .......when I(come)......came .....to your office yesterday?

31.who(live)....has lived ...in that house before the smiths(buy)...bought ...it

32.when the police(arrive)......arrived ......the robbers had gone

33.when I arrived the students(already,go)......have already gone ...in to class

34.miss davis(type).........typed ........letters after manager(come)...came .....back

35.my roommate had finished dinner by the time I(get)...was getting .....home

36.they(go).......went .......home after they(finish)....finished ..their work

37.after they(go).....went ......I(sit)....sat ..down and (rest)....rested ....

38.before she(watch)..has watched ...TV she(do)..did ......her homework

39.when she....was .(be)a child she always.......wanted .....(want) to do the most dangerous things

40.I suddenly.........recognized .......(recognize) the town square I....have been .......(be) there ten year before