giúp mình bài này mình vote 5 sao

`@` Present perfect.

`1` We last visited this school when we left for the US.

`2` The last time he wrote to me was two months ago.

`3` Samuel has kept a diary since 1997.

`4` I have lived in HCM City since I was 8.

`5` She started to teach the children in this remote village five months ago.

`6` She last tried Japanese food in June.

`7` They haven't talked to each other for two months.

- The last time + S + Ved/V2 + O + was + thời gian trong quá khứ.

-> S + has/have + not + Vpp + for/since + thời gian trong quá khứ.

- S + last + Ved/V2 + O + thời gian trong quá khứ. 

-> S + has/have + not + Vpp + for/since + thời gian trong quá khứ.

- S + started/began + to V/V-ing + thời gian trong quá khứ.

-> S + has/have + Vpp + for/since + thời gian trong quá khứ.

`@` Passive voice.

`1` Our exerices are corrected at home by the teacher.

- Câu bị động của thì Hiện Tại Đơn : S + is/am/are + Vpp + (by O)

`2` I was given a wondereful present by Alice.

- Câu bị động của thì Quá Khứ Đơn : S + was/were + Vpp + (by O)

* Chú ý.

- Trạng từ chỉ nơi chốn đứng trước by O.

- Trạng từ chỉ thời gian đứng sau by O.