Sử dùng cấu trúc toàn bài:

+thì hiện tại hoàn thành :

S + have/ has + V3

He/ She/ It/ Danh từ số ít / Danh từ không đếm được + has + V3

I/ We/ You/ They/ Danh từ số nhiều + have + V3

-thì quá khứ đơn:

(+)S + was/ were +…

S = I/ He/ She/ It/ Danh từ số ít + was

S = We/ You/ They/ Danh từ số nhiều + were

(-)S + was/ were + not

(?)Was/ Were + S +…?

Yes, S + was/ were.

No, S + wasn’t/ weren’t.

Trả lời:

1. My uncle (move) _____moved________ to Da Lat in 2005.

2. The Greens (live) ___have lived___________ in this city for 10 years.

3. My father (work) ____has worked__________ for the foreign company since last year.

4. We (spend) ______have spent____________ our summer vacation in Ha Long Bay last July.

5. Our teacher (explain) ______has already explanined__________ to us how to use the printer already.

6. The postman (deliver) ______delivered__________ the letter half an house ago.

7. Mai (not finish) ______hasn't finished___________ her homework yet.

8. I (visit) _____have alreaady visited_____________ our form teacher in the hospital already.

9. I (hear) ______heard__________ the good news from Mary a few minutes ago.

10. They (not start) _____haven't started__________ the project yet.

1. moved

→ Dấu hiệu: in 2005 ⇒ dùng thì QK.

2. have been

→ Dấu hiệu: so far → dùng thì HT hoàn thành.

3. have gone to

→ Dấu hiệu: several time ⇒ dùng thì HT hoàn thành.

4. spent

→ Dấu hiệu: Last July ⇒ dùng thì QK.

5. has explained

→ Dấu hiệu: already ⇒ dùng thì HT hoàn thành .

6. delivered

→ Dấu hiệu: half an hour ⇒ dùng thì QK.

7. hasn't finished

→ Dấu hiệu: yet ⇒ dùng thì HT hoàn thành.

8. have visited

→ Dấu hiệu: already ⇒ dùng thì HT hoàn thành.

9. heard

→ Dấu hiệu: a few minutes ago ⇒ dùng thì QK.

10. haven't started

→ Dấu hiệu: yet ⇒ dùng thì HT hoàn thành.