=>
20. Have the above sentences been finished by you?
-> bị động HTHT have/has S been V3/ed (by O)?
21. The bank near our house has been robbed.
-> bị động HTHT have/has been V3/ed
22. I was told to wait outside.
-> bị động QKĐ was/were V3/ed
23. They have been driven to the airport.
-> bị động HTHT have/has been V3/ed
24. Thhe new high way from north to south will be completed next year.
-> bị động will be V3/ed
25. This sweater was made for my aunt's son by her.
-> bị động QKĐ was/were V3/ed
26. All the 22nd Sea-Games competitions have been broadcast by the television station.
-> bị động HTHT have/has been V3/ed
27. I was asked to be here by my teacher at 10 am.
-> bị động QKĐ was/were V3/ed
28. That old building must be repaired.
-> must be V3/ed
29. The electric light bulb was invented by Thomas Edison.
-> bị động QKĐ was/were V3/ed

${20.}$ Has the above sentences been finished by you?

→ bị động HTHT: S + have/has (not) + been + V3/ed + (by+O) + time

${21.}$ The bank near our house has been robbed.

→ bị động HTHT

${22.}$ I was told to wait outside.

→ bị động QKĐ: S + was/were (not) +V3/ed + (by+O) + time

${23.}$ They have been driven to the aiport.

→ bị động HTHT

${24.}$ The new high way will be completed from north to south nexxt year.

→ bị động TLĐ: S + will (not) + be + V3/ed + (by+O) + time

${25.}$ This sweater was made for my aunt's son by her.

→ bị động QKĐ

${26.}$ All the 22nd Sea-Games competitions have been broadcast by the television station.

→ bị động HTHT

${27.}$ I was asked to be here by my teacher at 10 am.

→ bị động QKĐ

${28.}$ That old building must be repaired.

→ bị động dạng động từ khiếm khuyết: S + must/should/could/can/shall... + be + V3/ed + (by+O) + time

${29.}$ The electric light bulb was invented by Thomas Edison.

→ bị động QKĐ