chia động từ
1 The light (go) out while we(have) dinner
2. The last time i(see) him, he was wearing a grey suit
3. while the tow thieves(argue), someone(steal) their car
4. they(build)a new bridge when i(be) there 2 months ago
5. he(sit) in a cafe when i (see) him last sunday
6. when i (come) to visit her last night, she (have)a bath
7. what you (do) when i (phone) you on monday ?
Mà tốt nhất bạn nên cứ học chắc kiến thức cơ bản đã!