1. They (go) ……………..home after they (finish) ………………… their work. 2. She said that she (already, see) ……………………. Dr. Rice. 3. After taking a bath, he (go) ………………………….. to bed. 4. He told me he (not/eat) ………………………… such kind of food before. 5. When he came to the stadium, the match (already/ begin) …………………………………. 6. Before she (watch) …………….. TV, she (do)……………………. homework. 7. Alan (have)…….hardly (prepare)…..for dinner when her husband (go) ….home. 8. After they (go) ………, I (sit) ……………….. down and (rest) …………… 9. Yesterday, John (go) ……….. to the store before he (go) …………… home. 10. She (win) ………………………. the gold medal in 1986.

1. They  will go home after they have finished their work.

2. She said that she has already seen  DR. Pice.

3. After taking a bath, he went. to bed.

4. He told me he hadn't eaten such kind of food before.

5. When he came to the stadium , the match has already begun

6. Before I  watched TV, I had done my homework

7.Alan hardly had prepared for dinner when her husband went home

8.After they go, I sit down and rest

9. Yesterday, John had gone to the store before he went home.

10.She won the gold medal in 1986.

Chúc bạn học tốt UwU

`1`. They (go) ..…went….... home after they (finish) ……had finished……… their work.

`2`. She said that she (already, see) ……had already seen……… Dr. Rice.

`3`. After taking a bath, he (go) ………went………… to bed.

`4`. He told me he (not/eat) ………hadn't eaten………… such kind of food before.

`5`. When he came to the stadium, the match (already/ begin) ……had already begun……

`6`. Before she (watch) ……watched…………….. TV, she (do)  …had done…… homework.

`7`. What (do) …had he done…… he before he went to the airport?

`8`. After they (go) …had gone……, I(sit) ……sat……… down and (watch) …watched…… TV

`9`. Yesterday, John (go) ……had gone…… to the store before he (go) ……went…………… home.

`10`. She (win) ……won……… the gold medal in 1986.

`→` Công thức thì quá khứ đơn : S + V-ed

`→` Công thức thì quá khứ hoàn thành : S + had + $V_{( ed/ II)}$