1. She felt sick after she had eaten a whole box of chocolates.
2. After the doctor had examined the child he had a talk with the mother.
3. When I called on my friend, he had gone out.
4. Mary had finished her homework when her father came home from his office.
5. I threw away the newspaper after I had read it.
6. After she had spent all her money she asked her father to help her.
7. The teacher gave back the exercise books after he had corrected them.
8. The sun had risen when the farmer started work.
Tất cả các câu trên đều diễn tả 1 hành động đã hoàn thành trước 1 hành động khác trong quá khứ.
Cấu trúc:
- Quá khứ đơn:
Khẳng định: S + V2/ed
Phủ định: S + didn't/did not + V nguyên mẫu
Nghi vấn: Did + S + V nguyên mẫu?
- Quá khứ hoàn thành:
Khẳng định: S + had + P.P
Phủ định: S + hadn't/had not + P.P
Nghi vấn: Had + S + P.P?
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