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Exercise 1: Chia động từ ở các câu sau đây.
1. They (go) ……………..home after they (finish) ………………… their work.
2. She said that she (already, see) ……………………. Dr. Rice.
3. After taking a bath, he (go) ………………………….. to bed.
4. He told me he (not/eat) ………………………… such kind of food before.
5. When he came to the stadium, the match (already/ begin) ………………………………….
6. Before she (watch) ………………….. TV, she (do) ………………. homework.
7. What (do) …………….. he before he went to the airport?
8. After they (go) ………………………, I (sit) ……………….. down and (watch)…………..TV
9. Yesterday, John (go) ………………….. to the store before he (go) ………………… home.
10. She (win) ………………………. the gold medal in 1986.
Exercise 2: Viết lại câu dựa vào những từ cho sẵn.
1. David had gone home before we arrived.
=> After…………………………….
2. We had lunch then we took a look around the shops.
=> Before……………………………………………………
3. The light had gone out before we got out of the office.
=> When…………………………………………………………………………………….
4. After she had explained everything clearly, we started our work.
=> By the time …………………………………………………………………………….
5. My father had watered all the plants in the garden by the time my mother came home.
=> Before………………………………………………………………………………….
Exercise 3: Mỗi câu sau chứa một lỗi sai. Tìm và sửa chúng.
1. Before they came to visit my grandparents, I have already cleaned the house.
2. After Jimmy had gone home, I was doing the shopping.
3. She had come to the cinema before I do.
4. When they arrived, John goes away.
5. I had prepared for the exam and am ready to do well.
1. doesn't arrive
2. circles
3. flies
4. don't live
5. doesn't study
MONG MIK ĐÚNG. CHÚC BN HOK TỐT ^_^
1) doesn't arrive
2) circles
3) flies
4) don't live
5) doesn't study