giúp mình với mn ơiii

Exercise 1: Chia dạng đúng của động từ trong ngoặc ở thì quá khứ hoàn thành.

1. 1 Yesterday they went home after they had finished their work.
2. 2 When we came to the stadium, the match had already started.
3. 3 Many people had moved to the new place before the storm occurred.
4. 4 I sat down and rested after they had gone.
5. 5 Before he died, he had been ill for several days.
6. 6 Last night before he watched TV, he had done the exercise.
7. 7 She went to the department after she had cleaned the floor.
8. 8 When I got to the party, they had gone home.
9. 9 By the time the police arrived, the house had been burned down.
10. 10 By last year, twenty schools in this province had been built.

Exercise 2: Chia dạng đúng của động từ trong ngoặc ở thì quá khứ đơn và quá khứ hoàn thành.

1. 1 They went home after they had finished their study.
2. 2 Yesterday when I arrived to the party, they had already gone home.
3. 3 After the guests left, she went back into the living-room and switched off the light.
4. 4 On arrival at home I found that she had just left just a few minutes before.
5. 5 Before he went to bed, he did his homework.
6. 6 When they got to the place, the man had died.
7. 7 He thanked me for what I had done for him.
8. 8 I was sorry that I had hurt him.
9. 9 After they had gone, I sat down and rested.

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GIẢI THÍCH:

Exercise 1: Thì quá khứ hoàn thành

1. 1 Yesterday they went home after they (finish) their work.

   • Đáp án: had finished (Vì đây là hành động xảy ra trước hành động "went home" trong quá khứ.)

2. 2 When we came to the stadium, the match (already start)

   • Đáp án: had already started (Vì hành động "started" xảy ra trước khi "we came" tới sân vận động.)

3. 3 Many people (move). to the new place before the storm occurred.

   • Đáp án: had moved (Vì hành động "moved" xảy ra trước khi "the storm occurred".)

4. 4 I sat down and rested after they (go)

   • Đáp án: had gone (Vì hành động "went" xảy ra trước khi "I sat down and rested".)

5. 5 Before he died, he (be). ill for several days.

   • Đáp án: had been (Vì hành động "was ill" xảy ra trước khi "he died".)

6. 6 Last night before he watched TV, he (do) the exercise.

   • Đáp án: had done (Vì hành động "did the exercise" xảy ra trước khi "he watched TV".)

7. 7 She went to the department after she (clean) the floor.

   • Đáp án: had cleaned (Vì hành động "cleaned the floor" xảy ra trước khi "she went to the department".)

8. 8 When I got to the party, they (go) home.

   • Đáp án: had gone (Vì hành động "went home" xảy ra trước khi "I got to the party".)

9. 9 By the time the police arrived, the house (be). burned down.

   • Đáp án: had been (Vì hành động "had been burned down" xảy ra trước khi "the police arrived".)

10. 10 By last year, twenty schools in this province (be). built.

    • Đáp án: had been (Vì hành động "had been built" xảy ra trước khi "last year" kết thúc.)

Exercise 2: Thì quá khứ đơn và quá khứ hoàn thành

1. 1 They (go) _home after they (finish) their study.

   • Đáp án: went, had finished (Vì hành động "went home" xảy ra sau khi "they had finished" việc học của họ.)

2. 2 Yesterday when I (arrive) to the party, they (already go). home.

   • Đáp án: arrived, had already gone (Vì hành động "had already gone" xảy ra trước khi "I arrived" tới buổi tiệc.)

3. 3 After the guests (leave), she (go) _ back into the living-room and (switch) _ off the light.

   • Đáp án: left, went, switched (Vì hành động "left" xảy ra trước khi "she went" vào phòng và "switched off" đèn.)

4. 4 On arrival at home I (find). that she (just leave) just a few minutes before.

   • Đáp án: found, had just left (Vì hành động "had just left" xảy ra trước khi "I found" thấy.)

5. 5 Before he (go) to bed, he (do). his homework.

   • Đáp án: went, did (Vì hành động "did his homework" xảy ra trước khi "he went" đi ngủ.)

6. 6 When they (get to the place, the man (die)

   • Đáp án: got, had died (Vì hành động "had died" xảy ra trước khi "they got" tới nơi.)

7. 7 He (do) nothing before he (see) me.

   • Đáp án: did, saw (Đây là hai hành động xảy ra lần lượt, không phải quá khứ hoàn thành mà là quá khứ đơn.)

8. 8 He (thank) me for what I (do). for him.

   • Đáp án: thanked, had done (Vì hành động "had done" xảy ra trước khi "he thanked" tôi.)

9. 9 After they (go) I (sit) down and (rest)

   • Đáp án: had gone, sat, rested (Vì hành động "sat down" và "rested" xảy ra sau khi "they had gone".)

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             @trangnhhung

 mih cin 5sao và hay nhất ạ, mih cảm ơn!!!