Công thức - bị động:

-Thì HTĐ: S + am/is/are+ V3/ed

-Thì TLĐ: S + will be + V3/ed

-Thì QKĐ: S + was/were  +V3/ed 

-Thì HTTD: S + am/is/are + being + V3/ed

-Thì TLG: S + am/is/are + going to be + V3/ed 

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1. The environment is affected in many ways by pollution.

2. People’s awareness of environmental issues will be raised by the club’s activities.

3. Many more trees were planted in the neighbourhood by the local people last week.

4. The school playground is being cleaned by the students this morning.

5. Around 100 billion plastic bags are used by Americans each year.

6. A green lifestyle is adopted by more and more people.

7. Rubbish is going to be picked up in the central park this weekend.

8. A campaign will be organized to protect the environment by The Youth Union.

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