=>
1. All the workers of the plan were being instructed by the chief engineer.
-> bị động QKTD was/were being V3/ed
2. Some of my books have been taken away.
-> bị động HTHT have/has been V3/ed
3. The meeting will be held before May Day.
-> bị động TLĐ will be V3/ed
4. The engine of the car has to be repaired.
-> bị động have/has to be V3/ed
5. The window was broken and some pictures were taken away by the boy.
-> bị động QKĐ was/were V3/ed

Ta có:

Cấu trúc của câu bị động ở:

+HTHT:S+have/has+been+V(PII)+...

+TLĐ:S+will+be+V(PII)+...

+QKĐ:S+was/were+V(PII)+...

+HTĐ:S+is/am/are+V(PII)+....

1. All the workers of the plan were being instructed by the chief engineer.

2. My books have been taken away.

3. The meeting will be held before May Day.

4. The engine of the car has to be repaired.

5. The window was broken and some pictures were taken away by the boys.

$#FromTha$