I. Quá khứ đơn và quá khứ hoàn thành 1. Almost everybody (leave)…………………………. by the time we (arrive)………………………….. 2. He (wonder)…………………………. whether he (leave)…………………………. his wallet at home. 3. The secretary (not leave)…………………………. until she (finish)…………………………. her work. 4. The couple scarcely (enter)…………………………. the house when they (begin)…………………………. to argue. 5. The teacher (ask)…………………………. the boy why he (not do)…………………………. his homework. 6. She already (post)…………………………. the letter when she (realize)…………………………. she (send)…………………………. it to the wrong address. 7. Hardly the car (go)…………………………. a mile when it (have)…………………………. a flat tyre. 8. The weather (be)…………………………. far worse than we (expect)………………………….. 9. They (be married)…………………………. for five years when thy finally (have)…………………………. a child. 10. No sooner they (sell)…………………………. their car than they (regret)…………………………. having done so. I. Quá khứ đơn và quá khứ tiếp diễn 1. While Tom (read) , Amely (watch) a documentary on TV. 2. Marvin (come) home, (switch) on the computer and (check) his emails. 3. The thief (sneak) into the house, (steal) the jewels and (leave) without a trace. 4. Nobody (listen) while the teacher (explain) the tenses. 5. While we (do) a sight-seeing tour, our friends (lie) on the beach. 6. He (wake) up and (look) at his watch. 7. The receptionist (welcome) the guests and (ask) them to fill in the form. 8. The car (break) down and we (have) to walk home. 9. The boys (swim) while the girls (sunbathe) . 10. My father (come) in, (look) around and (tell) me to tidy up my room.