`1.` were watching / failed

`*` When QKĐ , QKTD ( Hành động đang diễn ra , hành động khác chen vào )

`2.` will have been

`*` for 4 years next September là dấu hiệu chia thì tương lai hoàn thành  ( S + will have P2 )

`3.` were preparing

`*` When QKĐ , QKTD ( Hành động đang diễn ra , hành động khác chen vào )

`4.` have been

`*` in the past few year là dấu hiệu chia thì hiện tại hoàn thành  ( S + have/has + P2 )

`5.` will remember 

`*` S + sure (that) S + will + V : ai đó chắc chắn rằng ......

`6.` received 

`*` After + QKHT , QKĐ 

`7.` was building / was / haven't finished 

`*` When QKĐ , QKTD

`*` yet là dấu hiệu chia thì hiện tại hoàn thành  ( S + have/has + P2 )

`8.` had gone 

`*` As soon as + QKĐ , QKHT : ngay khi ... thì 

1.Last night, we (watch) were watching  television when the power (fail). failed

2. We (be) will be have in this class for 4 years next September.

3. When we came in, they were prearing (prepare) the meal for us.

4. There (be) have been many changes in our village in the past few year.

5. Think carefully. I'm sure you (remember)  will remember his name.

6. After ancient Greek athletes had won a race in the Olympics, they (receive) received a simple crown of olive leaves.

7. They (build) built that bridge when I (be) was there last year, they (not finish) haven't finished it yet.

8. As soon as my parents came, we [go] had gone out for dinner.

cấu trúc quá khứ đơn :

+)S + was/ were +…

+)S + was/ were + not

+)Was/ Were + S +…?

cấu trúc thì hiện tại hoàn thành :

+)S + have/ has + VpII

+)S + have/ has + not + VpII 

+)Have/ Has + S + VpII +… ?

câu bị động ở quá khứ :

+)S + was/were + P2

` color[red][@NTM] `