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1: When the bus arrived, we missed it because we were talking.
2: You mustn't press this button because it is very dangerous.
1. When the bus was arriving , we missed it because we were talking .
=> was arriving => arrived
2. You don't have to press this button because it is very dangerous
=> don't have to => mustn't
3 . During the Christmas holiday,she was eating too much and watching TV too much
=> Was eating => ate ; watching => watched
4. The dragon flew over the tower when he heard the princess cry for help
=> flew => was flying
1. When the bus was arriving , we missed it because we were talking .
=> was arriving => arrived
2. You don't have to press this button because it is very dangerous
=> don't have to => mustn't
3 . During the Christmas holiday , she was eating too much and watching TV too much .
=> bỏ too much
4. The dragon flew over the tower when he heard the princess cry for help
=> flew => was flying
Find the mistake in each sentence, and rewrite the sentences correctly.
1. I have seen the film before, so I knew how it ended.
->have seen->had seen
2. It was obvious that Bill worked hard because he was very tired when I saw him.
->worked=>had worked
3. If technology continues to advance so quickly, what is life like in hundred years?
->what is life like=>what will life be like
4. The spaceship won't launch until they have done a final check.
->won't launch=>won't be launched
5. When the bus was arriving, we missed it because we were busy talking.
->was arriving=>arrived
I) Tìm lỗi sai và sửa lại
1. I had paint on my shoes because I'd painted my bedroom all morning. -> been painting
2. I missed the start of the film because I buy popcorn. -> bought
3. It was obvious that Bill has worked because he was very tired when I saw him. -> had
4. We had been tidying the garden for hours and I was ing a rest. -> needed
5. When the bus was arriving, we missed it because we were talking. -> arrived
6. During the Christmas holiday, I was eating too much and watching too much TV! -> TV too much
7. Jullian was learning all about computer games by the time he was six. -> learnt/learned
8. My grandfather was owning a hotel by the beach until he sold it last year. -> had been
VI. Combine each pair of sentences to make one sentence, using the words given in brackets
1. The bus arrived. We were talking. (WHEN)
=> The bus arrived when we were talking
2. We missed the bus. We were so late.(BECAUSE)
=> We were so late because we missed the bus
3. I was watching Da Nang Fireworks Festival on TV, and at that time the power went out.(WHILE)
=> The power went out while I was watching Da Nang Fireworks Festival on TV
4. Peter really loves to hang out with friends. (ENJOYS)
=> Peter really enjoys hanging out with friends
1. The bus arrived. We were talking. (WHEN)
=> The bus arrives when we were talking.
2. We missed the bus. We were so late.(BECAUSE)
=> Because we missed the bus, we were so late.
3. I was watching Da Nang Fireworks Festival on TV, and at that time the power went out.(WHILE)
=> While I was watching Da Nang Fireworks Festival on TV, the power was going out.
4. Peter really loves to hang out with friends. (ENJOYS)
=> Peter really enjoys hanging out with friends.
1. was -> did
Because the husband did not come back,the wife got hungry.
(Come là động từ thường -> dùng trợ động từ)
2. organized -> organize.
The king decided to organize a compitition to choose the hear.
(Decide + to V-inf: quyết định làm gì)
3. talked -> were talking.
When the bus arrived, we missed it because we were talking.
(talk- nói chuyện là hành động dài, đang diễn ra và bị xen vào)
4. lived -> live
They get married and live happily ever after.
(2 động từ cùng ngữ cảnh -> cùng thì)
1. was -> did
Because the husband did not come back,the wife got hungry.
(Come là động từ thường -> dùng trợ động từ)
2. organized -> organize.
The king decided to organize a compitition to choose the hear.
(Decide + to V-inf: quyết định làm gì)
3. talked -> were talking.
When the bus arrived, we missed it because we were talking.
(talk- nói chuyện là hành động dài, đang diễn ra và bị xen vào)
4. lived -> live
They get married and live happily ever after.
(2 động từ cùng ngữ cảnh -> cùng thì)
Identifying mistakes:
1.When the bus was arriving=> arrived , we missed it because we were talking
2.You don't have to=> mustn't press this button because it is very dangerous
3.They left for=> leftHa Noi in a beautiful morning
4.The Hung King's sons offered him many special foods:moreover=> however,Tiet Lieu just brought him Banh Chung and Banh Day.