Bài 14:Chia động từ trong ngoặc ở thì Quá khứ đơn hoặc thì Hiện tại hoàn thành, sau đó viết lại câu hoàn chỉnh.
       1.We (live) here for 2 years.
       =>                                                                                                                     .
       2. They (live) in Washington in 1960.
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       3. Lan (leave) Hanoi last month and (work) in Ho Chi Minh city since then.
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       4. Mr Nam (teach) English since 2000.
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       5. We (buy) this car 2 years ago.
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       6. How long you (learn) English ?
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       7. I (not see) him since we (say) goodbye.
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       8. Yesterday I (visit) my parents.
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       9. I (learn) English for 10 years.
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       10. Lan and Nga (be) close friends since last year.
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       11. What you (do) yesterday?
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       12. I (read) the novel written by Jack London several times.
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       13. She (be) born in 1980.
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       14. Mr Nam (teach) English in this school since he (graduate) from university          in 2000.
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       15. Last month I (be) in the hospital.
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       16. I (have) a computer since my nineteenth birthday.
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       17. The last time I (go) to Ho Chi Minh city was in 2012.
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       18. We (move) here in 1998.We (be) here for a long time now.
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       19. She (come) to China four times.She loves this country
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       20. It was so hot that I (go) swimming with my friends yesterday.
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AI LÀM HẾT CÓ THƯỞNG CAO NHA TO NHÁ