1. Vicky ( go ) went out after she ( do ) had done her homework

GT : đầu tiên chia ở thì quá khứ tiếp

MC : After +  past perfect (quá khứ hoàn thành) 

2. Yesterday some litter boys ( ring ) rang the bell and ( run ) ran away

GT : có từ "yesterday" nên phải chia quá khứ đơn

3. After the boy ( break ) had broken the window , they ( run ) ran away

=> chia ở thì quá khứ hoàn thành

4. We were good friends . We ( know ) had known each other for years

GT : tương tự

5. When I arrived ( arrive ) at the party . Lucy ( already go ) had already gone home

When + simple past/past perfect

6. When I saw the girl I was sure I ( meet ) had met her before

GT : nt

7. I hadn't heart ( not hear ) the new until I ( read ) read the newspceper

sử dụng thì quá khứ hoàn thành

8. When we ( see ) saw Rachel , she ( wave ) had waved fous

9. The light didn't work because some ( take ) had taken the bulb

10. The teacher had already given ( already / give ) quit by the time I ( get ) got to class

=> 3 câu sau cũng như vậy nhé

1. Vicky ( go ) went out after she ( do ) had done her homework 

2. Yesterday some litter boys ( ring ) rang the bell and ( run ) ran away

3. After the boy ( break ) had broken the window , they ( run ) ran away

4. We were good friends . We ( know ) had known each other for years

5. When I arrived ( arrive ) at the party . Lucy ( already go ) had already gone home

6. When I saw the girl I was sure I ( meet ) had met her before

7. I hadn't heart ( not hear ) the new until I ( read ) read the newspceper

8. When we ( see ) saw Rachel , she ( wave ) had waved fous

9. The light didn't work because some ( take ) had taken the bulb

10. The teacher had already given ( already / give ) quit by the time I ( get ) got to class