1. Mary does a lot of exercises everyday.

⇒A lot of exercises are done by Mary everyday(Hiện tại đơn:S + am/is/are + P2)

2. People play football all over the world.

⇒Football is played all over the world.(Hiện tại đơn:S + am/is/are + P2)

3.They don't use this house very often.

⇒This house aren't uesed very often.(Hiện tại đơn:S + am/is/are + P2)

4. Mary invited many friends to her party last night.

⇒Many friends were invited by Mary to her party last night.(Quá khứ đơn:S + was/were + P2)

5. I didn’t see Minh at the party last night.

⇒Minh wasn't seen at the party last night.(Quá khứ đơn:S + was/were + P2)

6.Did Mr John teach them English last year?

⇒Was they taught English by Mr John las year?(Did + S + V (bare) + O…?⇔Was/were + S' + V3/-ed + by + …?)

7. Nam is repairing my piano at the moment

⇒My piano is being repaired by Nam at the moment(Hiện tại tiếp diễn:S + am/is/are + being + P2)

8. My mother is planting some trees in the garden

⇒Some trees in the garden are being planted by my mother(Hiện tại tiếp diễn:S + am/is/are + being + P2)

9.A doctor has just examined John

⇒John has just been examined by a doctor(Hiện tại hoàn thành:S + have/has + been + P2)

10.Nobody has seen Tim since he left school.

⇒Tim hasn't been seen since he left school.(Hiện tại hoàn thành:S + have/has + been + P2)

11.They will build a new market near here.

⇒A new market near here will be built 

12.We will hold a meeting next week.

⇒A meeting will be hold next week.(Tương lai đơn:S + will + be + P2)

13. John will collect me at the airport.

⇒I will be collected by John at the airport.(Tương lai đơn:S + will + be + P2)

14. My father can speak French and Chinese.

⇒French and Chinese can be spoken by my father(Can + V → Can + be + V3/V-ed.)

15.You mustn't open this box until Christmas Day.

⇒this box musn't be opened until Christmas Day.(Must + V → Must + be + V3/V-ed.)

`1` A lot of exercises are done by Mary everyday.

`2` Football is played all over the world.

`3` This house isn't used very often.

`4` Many friends were invited by Mary to her party last night.

`5` Minh wasn't seen at the party last night.

`6` Was they taught English by Mr. John last year?

`7` My piano is being repaired by Nam at the moment.

`8` Some trees in the garden are being planted by my mother.

`9` John has just been examined by a doctor.

`10` Tim hasn't been seen since he left school.

`11` A new market near here will be built 

`12` A meeting will be held next week.

`13` I will be collected by John at the airport.

`14` French and Chinese can be spoken by my father.

`15` You mustn't open this box until Christmas Day.

Câu bị động HTĐ: S+ be+ Vp2+ by O.

Câu bị động HTTD: S+ be+ being+ Vp2+ by O.

Câu bị động QKĐ: S+ was/ were+ Vp2+ by O.

Câu bị động HTHT: S+ have/ has+ been+ Vp2+ by O.

Câu bị động TLĐ: S+ will be+ Vp2+ by O.

Câu bị động can: S+ can be+ Vp2+ by O.