1. More information were given to us by her (passive qkđ)

2. All the workers of the plan were being instructed by the chief engineer (passive qktd)

3. Tea with cold water can't be made by them (passive KT can)

4. Some of my books have been taken away (passive htht) 

5. The meeting will be held before May Day (passive tlđ)

lưu ý: passive=bị động

1.We were given more information by her

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

3.Tea can't be made with cold water

4.Some of my books away have been taken by somebody

5.The meeting will be held before May Day

Cấu trúc : 

- Thì QKĐ : S + was/were + PII....

- Thì QKTD : S + was/were + being + PII...

- Thì HTHT : S + have/has + been + PII....

- Động từ khuyết thiếu : S + modal verb + be + PII...