...................................

`21`. We have eaten since it started to rain.

`22`. I haven't had my hair cut since I left her.

`23`. She hasn't kissed me for 5 months.

`24`. We haven't met for a long time.

`25`. How long have you had it?

`26`. I haven't had such a delicious meal before.

`27`. The last time I saw him was 8 days ago.

`28`. It is `3` days since I last took a bath.

`29`. I have had a puncture for 2 years.

`30`. He has not earned any money for 2 months.

`-----`

`***` Hiện Tại Hoàn Thành:

`(+)` S + have/has + V3/ed

`(-)` S + have/has + not + V3/ed

`(?)` (Wh) + Have/Has + S + V3/ed?

`***` Quá Khứ Đơn:

`(+)` S + V2/ed

`(-)` S + didn't + V

`(?)` (Wh) + Did + S + V?

`-----`

The last time + S + V2/ed + was + thời gian + ago

`->` S + last + V2/ed + thời gian + ago

`->` S + have/has + not + V3/ed + for + thời gian

When did + S + V?

`->` How long + have/has + S + V3/ed?

This is the first time + S + have/has + V3/ed

`->` S + have/has + not + V3/ed + before