`1,` The last time they met their parents was two months ago.

`-` The last time `+` S `+` V-ed/V2 `+` was `+` khoảng thời gian `+` ago.

`=` S `+` have/has `+` not `+`  V-ed/V3 `+` for `+` khoảng thời gian. 

`2,` She hasn't visited her home country for  ten years.

`-` S `+` last `+` V-ed/V2 `+` khoảng thời gian `+` ago.

`=` S `+` have/has `+` not `+`  V-ed/V3 `+` for `+` khoảng thời gian. 

`3,` I haven't seen Rose for three years.

`-` The last time `+` S `+` V-ed/V2 `+` was `+` khoảng thời gian `+` ago.

`=` S `+` have/has `+` not `+`  V-ed/V3 `+` for `+` khoảng thời gian. 

`4,` Tom has learnt the guitar for a month.

`-` S `+` have/has `+`  V3/V-ed `+` for + quãng tgian/since + mốc tgian

`=` S `+` started/began `+` V-ing/to V0..

`5,` Going out in the evening isn't allowed by their parents.

`-` Câu bị động HTĐ: S `+` am/is/are `+` V3/V-ed...(by  `+` O)

`6,` Students aren't allowed to use smartphones in class.

`-` Câu bị động HTĐ: S `+` am/is/are `+` V3/V-ed...(by  `+` O)

`7,` He suggested going out for dinner.

`-` S `+` suggested `+` V-ing.. - đưa ra đề xuất 

`8,` Would you please close the door?

`-` Would you please - dùng để yêu cầu người khác làm một việc gì đó.. 

`9,` My sister's room is tidied every day.

`-` Câu bị động HTĐ: S `+` am/is/are `+` V3/V-ed...(by  `+` O)

`10,` A new hospital has been built in my village.

`-` Câu bị động HTHT: S `+` have/has `+` been `+` V3/V-ed..(by `+` O) 

`11,` Recycled paper is used in newspapers.

`-` Câu bị động HTĐ: S `+` am/is/are `+` V3/V-ed...(by  `+` O)

`12,` A green lifestyle is being adopted. 

`-` Câu bị động HTTD: S `+` am/is/are `+` being `+` V3/V-ed… (by `+` O) 

`13,` Rubbish will be picked up  in the central park this weekend.

`-` Câu bị động của TLĐ: S `+` will `+` be `+` V3/V-ed..(by `+` O) 

`14,` The school playground is being cleaned by the  students this morning.

`-` Câu bị động HTTD: S `+` am/is/are `+` being `+` V3/V-ed… (by `+` O) 

`15,` A campaign to protect the environment will be organized by the Yoth Union.

`-` Câu bị động của TLĐ: S `+` will `+` be `+` V3/V-ed..(by `+` O) 

`16,` People's awareness of  environmental issues will be raised by the club activities.

`-` Câu bị động của TLĐ: S `+` will `+` be `+` V3/V-ed..(by `+` O) 

1. The last time they met their parents was two months ago. 

S + haven’t/hasn’t + V3 + for + thời gian ->The last time + S + Ved/V2 + was + [khoảng thời gian] + ago.

2.she hasn't visited her home country for ten years.

S + last + V2 + time + ago -> S + haven’t/hasn’t + V3 + for + thời gian. 

3. I haven't seen Rose for three years. 

The last time + S + Ved/V2 + was + [khoảng thời gian] + ago -> S + haven’t/hasn’t + V3 + for + thời gian.

4.Tom has learnt the guitar for a month.

S + V2 + thời gian + ago →S + have/has + V3 + for + thời gian.

5.Going out in the evening isn't allowed by their parents.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

6.Students are not allowed to use smartphones in class by schools.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

7.He suggest going out for dinner.

Let's+V->S+suggest + V_ing.

8.Would you please close the door?

Would+S+mind+V_ing->Would+S+please+V.

9.My sister's room is tidied by my sister every day.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

10.A new hospital has been built in my village.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

11.Recycled paper are used in newspapers.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

12.A green lifestyle is adopted by more and more people.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

13.Rubbish is going to be picked in the central park this weekend.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

14.The school playground is cleaned by the students this morning.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

15.A campaing will be organised to protect the environment by the Youth Union.

Trg đề viết sai chính tả mình sửa lại nhá.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.

16.People's awareness of environment issues will be raised by the club activities.

Subject + Verb + Object->Subject + be + V-ed/p.p + by Object.