Bị động - các thì :

- Thì QKĐ: 

(+) S + was/were + V3/ed 

(?) Was/ Were +S +V3/ed? 

- Thì QKTD: 

(-) S + was/were + not + being + V3/ed 

(?) Was/Were + S +being + V3/ed?

- Thì QKHT: 

(+) S + had been + V3/ed 

- Thì HTĐ: 

(+) S + am/is/are + V3/ed 

(-) S + am/is/are + not + V3/ed 

- Thì TLĐ: 

(+) S + will be + V3/ed 

(-) S + won't be + V3/ed 

- Thì HTTD: 

(+) S + am/is/are + being + V3/ed 

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1. Three hamburgers were eaten by Tom and Mary.

2. How was her car stolen?

3. Was the room being painted when the accident happened?

4. The bell was rung by the children a few minutes ago.

5. Why were the flowers being picked?

6. The fire had been put out successfully by firefighters.

7. America was discovered by Columbus in 1492.

8. Another planet had been discovered by the Americans.

9. By whom was this book written?

10. The meat wasn't being cooked by the chef.

1. This flower is watered by my father every morning.

2. The window was broken by a stone.

3. The work wasn't done by the servants.

4. Her dog is often taken for a walk.

5. That project will be completed by the army next year.

6. He won't be punished.

7. This road isn't used very often.

8. New employees are always welcomed by the manager.

9. They are being followed.

10. Booms are being dropped by the airplanes.

`color{orange}{~LeAiFuRuiHuiBao~}`