1 A buffalo was being ridden in the filed by Peter at 4p.m yesterday

2 TV was being watched by them when I came

3 School yard was being cleaned very quickly by students.

4 Was lunch being had when she came ?

5 When it started to rained, the women wasn't being helped 

6 English wasn't being taught when it started to rain

7 The cello wasn't being played at this time last year

8 The computer wasn't being used by hime at that time

9 The projects were being done by Dương this time last year

10 Was black pudding being eaten this time ten years ago ?

Giải thích 

_  Bị động : Quá khứ tiếp diễn :

(+)S+ was/were + being + PII (By......)

( - ) S+ was/were + not + being + PII (By......)

 (?) Was/Were + S + being + PII ? 

Cấu trúc: (Câu chủ động) S+was/were+V-ing →→ S+was/were+being+p.p (Câu bị động)

1. Peter was riding a buffalo in the field at 4 p.m yesterday.

→ A buffalo was being ridden by Peter in the field at 4 p.m yesterday. 

2. They were watching TV when I came.

→ TV was being watched by them when I came. 

3. Students were cleaning the schoolyard very quickly.

→ Schoolyard was being cleaned very quickly by the students.

4. Were you having lunch when she came?

→ Was lunch being had when she came?

5. We were not helping the women when it started to rain.

→ When it started to rain, the women weren't being helped.

6. I was not teaching English when it started to rain.

→ English wasn't being taught by me when it started to rain. 

7. People were not playing the cello at this time last year.

→ The cello wasn't being played at this time last year.

8. He was not using the computer at that time.

→ The computer wasn't being used by him at that time.

9. Duong was doing the projects this time last year.
→ The projects were being done by Duong this time last year.

10. Were people eating black pudding this time ten years ago?

→ Was black pudding being eaten this time ten years ago?