Bài 9: Chia dạng đúng của từ trong ngoặc, sử dụng thì Qúa khứ đơn, Qúa khứ hoàn thành hoặc Hiện tại hoàn thành.

1. She didn’t notice that she (never see) …………………….……… that film before.

2. I suddenly (remember) that I ………………………. (forget) my keys.

3. Bill no longer has his car. He (sell) …………………….. it.

4. (Have/you/put) ………………………. off the fire before you (go) ……………… out.

5. I was very pleased to see Mary again. I (not see) …………………….. for a long time.

6. I thanked her for everything she (do) ………………………………… for me.

7. When I got to the office, I (realize) ………….. I (forget) ………………. to lock the door

8. Who is that woman? I (never seen) …………………………..… …… her before.

9. Tom was not at home when I (arrive)………………. He (just go) ………………… out.

10. She said it (be) ………….. the first time she (meet) ………………….. such a man.

1 had never seen

2 remember - had forgotten

3 had sold

4 Had you put - went

5 hadn't seen

6 had done

7 realized - had forgotten

8 have never seen

9 arrived - had just gone

10 was - had met

----------

`***` Quá khứ đơn

`-` Với tobe

`(+)` S + was/were

`(-)` S + was/were + not

`(?)` (Wh) + Was/Were + S?

`-` Với động từ thường

`(+)` S + V2/ed

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

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

`->` DHNB: yesterday, this morning, in the past, last + mốc thời gian, khoảng thời gian + ago, in + năm trong quá khứ,...  

`***` Quá khứ hoàn thành

`(+)` S + had + V3/ed

`(-)` S + hadn't + V3/ed

`(?)` (Wh) + Had + S + V3/ed?

`***` Kết hợp QKĐ và QKHT

`-` When QKĐ, QKHT

`-` After QKHT, QKĐ

`-` Before QKĐ, QKHT

`-` By the time QKĐ, QKHT

`->` Một hành động xảy ra trước hoặc sau hành động khác trong quá khứ.

`***` Hiện tại hoàn thành

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

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

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

`->` DHNB: already, recently, just, yet, for + khoảng thời gian, since + mốc thời gian, once, twice, three times,... 

`-` I, you, we, they, N số nhiều + have

`-` He, she, it, N số ít + has

` 1`. had never seen

` 2`. remember - had forgotten

` 3`. had sold

` 4`. Had you put - went

` 5`. hadn't seen

` 6`. had done

` 7`. realized - had forgotten

` 8`. have never seen

` 9`. arrived - had just gone

` 10`. was - had met

` -------`

` @` Quá khứ đơn

` (+)` S + V-ed/V2 + ...

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

` (?)` Did + S + V-inf + ...?

` -` DHNB : ago, last week, last month, last year, in the past, yesterday, ...

` -` Miêu tả hành động đã xảy ra trong quá khứ.

` ---------`

` @` Quá khứ hoàn thành

` (+)` S + had + V-ed/V3 + ...

` (-)` S + had not + V-ed/V3 + ...

` (?)` Had + S + V-ed/V3 + ...?

` -` DHNB : before, after, until, by the time, when by, ...

` -` Miêu tả hành động đã hoàn thành trong quá khứ.

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

` @` Hiện tại hoàn thành

` (+)` S + have/has + V-ed/V3 + ...

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

` (?)` Have/has + S + V-inf + ...?

` -` DHNB : just, recently, lately, already, not…yet, never, ever, since, for, so far…

` -` Diễn tả một hành động đã xảy ra trong quá khứ và có liên quan đến hiện tại.