Thì quá khứ đơn và quá khú hoàn thành: ( Chú ý: hành động trước và đã hoàn thành ta chia thì QKHT, còn hành xảy ra sau mình chia QKĐ)
1. Before she moved to San Diego, she ________________ as a tourist guide. (WORK)
2. By the time the police arrived, the burglar _____________ into my neighbour’s house. (BREAK)
3. They ___________________ Google Classroom before, so I showed them how to use it. (NOT/ USE)
4. The lights _____________ because we hadn’t paid the electricity bill. (GO OFF)
5. We watched TV after our daughter __________ to bed. (GO)
6. She _____________ Victoria once in 1993 before she moved there in 1996. (VISIT)
7. By the time my wife _____________ home, I had done the laundry. (COME)
8. I was sure that I _______ the woman before. (SEE)
Thì quá khứ đơn và quá khú hoàn thành: ( Chú ý: hành động trước và đã hoàn thành ta chia thì QKHT, còn hành xảy ra sau mình chia QKĐ)
1. Before she moved to San Diego, she _______had worked_________ as a tourist guide. (WORK)
2. By the time the police arrived, the burglar ________had broken_____ into my neighbour’s house. (BREAK)
3. They __________hadn't used_________ Google Classroom before, so I showed them how to use it. (NOT/ USE)
4. The lights ________went off_____ because we hadn’t paid the electricity bill. (GO OFF)
5. We watched TV after our daughter ______had gone____ to bed. (GO)
6. She ______visited_______ Victoria once in 1993 before she moved there in 1996. (VISIT)
7. By the time my wife ________came_____ home, I had done the laundry. (COME)
8. I was sure that I ____had seen___ the woman before. (SEE)
