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**CHUYÊN ĐỀ I: THÌ ĐỘNG TỪ (ANH - 1)**

**Exercise 1: Chia các động từ sau ở Thì Hiện tại đơn và Hiện tại tiếp diễn**

1. What __________ (do) they __________ in the winter?
2. Now I __________ (do) the cooking while Hoa __________ (listen) to music.
3. At the moment, Nam and his friends __________ (go) shopping at the mall.
4. On Friday, I __________ (like) __________ bananas.
5. Tom __________ (be) my friend. He __________ (play) __________ sports every day.
6. He __________ (teach) English in a big school in town.
7. We usually __________ (read) books, __________ (listen) to music or __________ (watch) TV.
8. Keep silent! I __________ (listen) to the radio.

**Exercise 2: Chia các động từ sau ở Thì Quá khứ đơn và Hiện tại hoàn thành**

1. I __________ (not see) him last Monday.
2. Up to the present, we __________ (write) almost every lesson in the book.
3. How many times __________ (you) __________ (see) him since he went to Edinburgh?
4. Mary __________ (lose) her hat and she __________ (look) for it until now.
5. I __________ (read) the novel written by Jack London several times before.
6. He __________ (write) a book since last year.
7. Mr Green __________ (teach) English in this school since he __________ (graduate) from the university in 1986.
8. My father __________ (not smoke) for 5 years.
9. How long __________ Bob and Mary __________ (be) married?
10. She __________ (win) the gold medal in 1986.
11. When the police __________ (arrive), we __________ (go) to the car.
12. While we __________ (do) a sightseeing tour, our friends __________ (visit) the beach.
13. While Tom __________ (play) the piano, his mother __________ (do) the washing-up.
14. The house __________ (catch) fire while they were sleeping.
15. Last night Tom was reading, Amely __________ (watch) a documentary on TV.
16. Mary and I __________ (dance) when the telephone rang.
17. The boy fell and hurt himself while he __________ (ride) a bicycle.