Giải bài 1 cho mình với

Công thức thì HTHT

(+) S + has/have + V3/ed 

(-) S + has/have + not + V3/ed 

(?) Has/Have + S+ V3/ed?

DHNB: before, since + mốc thời gian, for + khoảng thời gian, yet, already, just,....

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1. I have studied French. 

2. She has eaten octopus. 

3. They have gone to Scotland. 

4. We have read that book.

5. He has lived here for three years. 

6. You have known David for ten years. 

7. We have been here for two weeks. 

8. I have lost my keys. 

9. He has drunk too much coffee. 

10. They have missed the train.