9. This is the first time they have seen that film

    They haven't seen that film before

10. She hasn't gone to a night club before

      She has never gone to a night club before

11. This is the first time he has driven a race cảr

12. The last time I went to the supermarket was three weeks ago

      It has been three weeks since I went to the supermarket

      I last went to the supermarket three weeks ago

13. She hasn't come back to her hometown since 1986

      She last came back to her hometown in 1986

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Cấu trúc The first time: This is the first/ sencond/ third/ ...... time + S + V(HTHT)

               The last time: The last time + S + V (QKĐ) + was + (Khoảng thời gian)

               S + last + V(QKĐ) + thời gian

               HTHT: S + has/ have + VPII

`nacutihe.vt`

`9.`

`=>` This is the first time they have seen that film.

`=>` They haven't seen that film before.

`10.`

`=>` She hasn't gone to a nightclub before.

`=>` She has never gone to a nightclub before.

`11.` 

`=>` This is the first time he has driven a race car.

`12.` 

`=>` The last time I went to the supermarket was three weeks ago.

`=>` It is/It has been three weeks since I last went to the supermarket.

`=>` I last went to the supermarket three weeks ago.

`13.`

`=>` She hasn't come back to her hometown since 1986.

`=>` She last came back to her hometown in 1986.

`- - - - - - - - - -`

`***` QUÁ KHỨ ĐƠN `⇔` HIỆN TẠI HOÀN THÀNH :

S + have/has + not/never + Vpp + before : Chưa từng làm gì trước đây

`->` It/This is the first time + S + have/has + Vpp : Lần đầu làm gì

S + last + V_2/ed + .. ago/ when .. : Lần cuối làm gì ..

`=` S + have/has + not + Vpp + for .. /since .. : Đã không làm gì được bao lâu, kể từ khi ,,

`=` It is/It has been + khoảng thời gian + since + S + last + V_2/ed : Đã bao lâu kể từ khi lần cuối làm gì

`=` The last time + S + V_2/ed + was + ..ago/ when.. /in .. : Lần cuối làm gì khi ...