`14`. The thief was easily captured by the police

`15`. The money was returned by John last night

`16`.The room was filledby smoke

`17`. That book was taken from the desk by Bob

`18`. A dacing class was started last week

____________________________

`\text{ Ta có công thức: S+was/were+V(PII)+....(by O)}`

$#FromTha$

14 The thief was easily captured by the police 

15 The money was returned by John last night

16 the room was filled by smoke

17 that book was taken from the desk by Bob

18 A dancing was started last week

Ta có nhìn chung là cấu trúc bị động của thì QKĐ

+S+was\were+PP+.....+(by+O)+time 

+ Dấu hiệu nhận biết thường là có các trạng ngữ chỉ thgian trong quá khứ như ( ago, last night, in+time trong quá khứ....) và có chủ ngữ là vật đứng đầu

Học tốt!!!