Bài 1: Chia dạng đúng của động từ ở thì quá khứ hoàn thành và quá khứ hoàn thành tiếp diễn.
1.I _______ (marry) her two years before we met.
2. Quan told me you ________ (buy) the old vicarage two years before your son’s birth.
3. I wish I ________ (buy) had bought it before.
4. When he arrived at the station the train _________ (leave).
5. John _______ (play) tennis for 4 hours when he broke his leg.
6. The dog came into the house once He ________ (finish) the housework.
7. I ________ (drive) his car for 10 minutes when he realized it had a flat tyre.
8. She ______ (throw) the letter away when she noticed it was not important.
9. She ________ (swim) for 15 minutes when she understood she had lost his swimsuit.
10. It ________ (rain) for two hour when the wind started to blow.
