=>

1. The work is done carefully.

2. Those shelves are carried to our library.

3. John is seen at the bus stop every morning.

4. This book is sold by Jack's uncle.

5. That book is found on the shelf by my sister.

6. The garages are cleaned everyday.

7. Every car engine is checked thoroughly.

8. This computer is exported to seventy different countries.

9. The bread is wrapped automatically by the machine.

10. The newspapers are sent to Nha Trang by train.

11. Penicillin was discovered by fleming.

12. That picture was painted by picasso.

13. Were you interested by the idea?

14. This road isn't used very often.

15. I was sent an invitation by my friend.

16. He was chosen as the best actor of the year.

17. I was given a present by him.

18. Mary was bought some sweets by her mother.

19. He was taught French and given a dictionary.

20. The stranger was requested to leave the meeting by a man.

Bị động HTĐ :

(+) S + is/am/are + V3/ed (by O)

(-) S + is/am/are not + V3/ed (by O)

(?) Is/Am/Are S V3/ed (by O)?

Bị động QKĐ :

(+) S + was/were V3/ed (by O)

(-) S + was/were not V3/ed (by O)

(?) Was/were S V3/ed (by O)?

1.They do the work carefully.

$\rightarrow$ The work is done  carefully.

2. They carry those shelves to our library.

$\rightarrow$ Those shelves are carried to our library.

3. People see John at the bus stop every morning.

$\rightarrow$ John is seen at the bus stop every morning.

4. Jack’s uncle sells this book.

$\rightarrow$ This book is selt by Jack’s uncle.

5. My sister finds that book on the shelf. 

$\rightarrow$ That book is found on the shelf by my sister.

6. We clean the garages everyday.

$\rightarrow$ The garages are cleaned by us everyday.

7. We check every car engine thoroughly.

$\rightarrow$ Every car engine is checked thouroughly by us.

8. We export this computer to seventy different countries.

$\rightarrow$ This computer is exported to 70 different countries by us.

9. The machine wraps the bread automatically.

$\rightarrow$ The bread is wrapped automatically by this machine.

10. They send the newspapers to Nha Trang by train.

$\rightarrow$ The newspapers are sent to Nha Trang by train.

11.Fleming discovered penicillin.

$\rightarrow$ Penicillin was discovered by fleming.

12. Picasso painted that picture.

$\rightarrow$ That picture was painted by picasso.

13. Did the idea interest you?

$\rightarrow$ Were you interested by the idea?

14. People don't use this roard very often.

$\rightarrow$ This road isn't used very often.

15. My friend sent me an invitation.

$\rightarrow$ I was sent an invitation by my friend.

16. They chose him as the best actor of the year.

$\rightarrow$ He was chosen as the best actor of the year.

17.He gave me a present.

$\rightarrow$ I was given a present by him.

18. Her mother bought Mary some sweets.

$\rightarrow$  Mary was bought some sweets by her mother.

19.They taught him French and gave him a dictionary.

$\rightarrow$ He was taught French and given a dictionary.

20.A man requested the stranger to leave the meeting.

$\rightarrow$ The stranger was requested to leave the meeting by a man.

Bonus: 

Passive Present simple

(+) S + is/am/are + PII/ed (by O)

(-) S + is/am/are not + PII/ed (by O)

(?) Is/Am/Are S PII/ed (by O)?

Passive past simple

(+) S + was/were PII/ed (by O)

(-) S + was/were not PII/ed (by O)

(?) Was/were S PII/ed (by O)?