BÀI TẬP 2:  Cho dạng đúng của động từ trong ngoặc.
1. They (come) came back home after they (finish) finished their work.
2. She said that she ( meet) had met Mr. Bean before.
3. Before he (go) went to bed, he (read) had read a novel.
4. He told me he (not/wear) hadn't worn such kind of clothes before.
5. When I came to the stadium, the match (start) had started
BÀI TẬP 3 : Viết lại câu sao cho nghĩa không đổi sử dụng từ gợi ý cho sẵn.
1. David had gone home before we arrived. 
– After David had gone home, we arrived.
2. We had lunch then we took a look around the shops. 
– Before we took a look around the shops, we had lunch.
3. The light had gone out before we got out of the office. 
–When when we got out of the office, the flight had gone out.
4. After she had explained everything clearly, we started our work. 
– By the time we started our work, she had explain everything clearly.
5. My father had watered all the plants in the garden by the time my mother came home. 
– Before my mother came home, my father had watered all the plants in the garden.

1. came - had finished

2. had met

3. went - had read

4. hadn't wear

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1. After David went home, we arrived.

2. Before we took a look around the shops, we had lunch.

3. When we got out of the office, the light had gone out.

4. By the time she had explained everything clearly, we started our work.

5. Before my mother came home, my father had watered all the plants in the garden.