Bài 1: Cho dạng đúng của động từ trong ngoặc ở thì quá khứ hoàn thành.
1.Before hanging out with friends, Jim (do) _____had done_________ his homework.
2. Peter told me that he (already finish) ______had already finished________ reading ‘Harry Porter’.
3. Mary said she (never be) _______had never been_______ to Paris before.
4. When we came to the movie theater, the film (start) ______had started________.
5. Where ______had Jim been________ (Jim/ be) before you found him?
6. Peter (travel) _______had traveled_______ to 5 foreign countries on business trips before he retired.
7. My mother (write) ________had written______ me a note before she left for work.
8. I wish I (not attend) ______hadn't attended________ that meeting.
9. Jim (read) _______had read_______ all his books before he bought a new one yesterday.
10. ________Had you cleaned______ (you/ clean) your room before you went out?