Giúp giùm mik với ại.minh đang cần gấp ạ

thank you 

Công thức đổi HTHT - QKĐ

S + has/have + not + V3/ed + for/since + time 

--> S + last + V2/ed 

--> The last time + S+ V2/ed + was + time 

--> It is / has been + time + since + S+ (last) + V2/ed 

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1.

- The last time I played tennis was in 1990.

- I last played tennis in 1990.

2.

- He last went to Bristol three years ago.

3.

- I last saw him when I was a student.

4.

- The last time she wrote to us was last year.

- She last wrote to us last year.

5.

- I last went to London in 1972.

- The last time I went to London was in 1972.

6.

- I haven't phoned her since last month.

7.

- She hasn't come here since she was 15.

8.

- Jack hasn't watched this film for 3 years.

9.

- We haven't gone out together since 2009.

10.

- They haven't used this machine since they lived in Ho Chi Minh ... 

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