I. Supply the correct form of the verbs in the brackets:
31. She managed to open the door. (open)

-> manage + to V
32. Do you mind not using my phone? (not use)

-> mind + Ving 
33. When he was driving to work, he had an accident. (drive)

-> Thì QKTD (Nghĩa: Khi anh ấy đang trên dường đi làm thì anh ấy xảy ra tay nạn )
34. Before she went to the cinema, she had bought the ticket. (buy)

-> Cấu trúc : Before S + Vqkđ+..., S + VpII +...
35. William didn't write to me two weeks ago. (not write)

-> ago : trước - DHNB thì QKĐ

# Xin tlhn 

# Chúc bạn học tốt 

`text{I/}`

`31.` to open 

`->` manage + to Verb

`32.` not using

`->` Dấu hiệu: mind

`->` mind + V_ing

`33.` was driving

`->` Dấu hiệu: when, had 

`->` QKTD 

`->` Ta có công thức QKTD như sau: 

Thể khẳng định: S + was/were + V-ing 

Thể phủ định: S + was/were + not + V_ing 

Thể nghi vấn: Was/were + S + V_ing? 

`34.` had bought

`->` Before

`->` Before S + V_(quá khứ đơn), S + V_(quá khứ hoàn thành) 

`35.` didn't write 

`->` Dấu hiệu: ago 

`->` QKĐ

 `->` S + did not (didn't) + V_inf + ...