Bài 1: Cho dạng đúng của động từ trong ngoặc ở thời quá khứ hoàn thành. 1. Before hanging out with friends, Jim (do)_ _______________ his homework. 2. Peter told me that he (already finish)_ _______________ reading ‘Harry Porter’. 3. Mary said she (never be)__ ______________ to Paris before. 4. When we came to the movie theater, the film (start)____ ____________ . 5. Where ___ (Jim / be) before you found him? 6. Peter (travel)_____ ___________ to 5 foreign countries on business trips before he retired. 7. My mother (write)___ _____________ me a note before she left for work. 8. I wish I (not attend)__ ______________ that meeting. 9. Jim (read)__ ______________ all his books before he brought a new one yesterday. 10. __ ______________ (you / clean) your room before you went out? Bài 2: Cho dạng đúng của dộng từ trong ngoặc ở thì quá khứ hoàn thành hoặc quá khứ đơn. 1. Mr. Brown (come)_ _____ home as soon as (ngay sau khi) he (finish)___ _______ his work. 2. I (live)__ __________ in Texas for 4 years before I (move)____ ____________ to California. 3. When Mr. Smith (wake) _ ___ yesterday morning, breakfast (already be) ___________ready. 4. Before I (get)______ ____ promotion, I (work)___ _____________ very hard. 5. Yesterday, my mother (pick)___ _____________ me up from school before we (go) _____went _ shopping together. Before + S + V (qkđ), S + V (qkht) 6. Our grandparents (tell)__ ___________ us that he (serve)___ ___ in the army in 1945. 7. After having dinner with my boyfriend, I (go)____ ____________ home. 8. Yesterday (be)____ ____________ the first time Jane (perform)____ ____________ in front of such large audience. 9. Peter (admit)__ __________ he (break)___ _____________ my favorite vase the day before. 10. What ________________ (you / do) before you (come)________________ there? 11. Yesterday I (feel)________________ nervous as I (not prepare)________________ my presentation carefully. 12. ________________ (Peter / come) to see you after he (finish)________________ his work? 13. Mary (prepare)________________ the meal before she (invite)________________ her new neighbor to have lunch with her. 14. Before I (buy)________________ a car, I (travel)________________ by bus for nearly 5 years. 15. As soon as Jane (see)________________ Jim, she (storm)________________ out of the room.