IV :
`1.` The pigeons are feeded by an old woman.
`2.` The window was broken by a burglar.
`3`. A mistake has been made.
`4.` She is going to be loved.
`5.` 'Don Quixote' was written by Cervantes.
`6.` My sister is being helped .
`7.` The bus will be driven by Pamela.
`8.` The plants were being watered .
`V:`
`1.` The room is cleaned every day.
`2.` All flights were cancelled because of fog.
`3.` This road isn'n very often used .
`4.` I was accused of stealing money.
`5.` What languages do people learn?
`6.` We were warned not to go out alone.
`7.` The computer is being used at the moments.
Giải thích :
- Bị động với hiện tại đơn : S + be + VPII + by O
- Bị động với hiện tại tiếp diễn : S + tobe + being + VPII + by O
- Bị động với quá khứ đơn : S + was/were + VPII + by O
- Bị động với hiện tại hoàn thành : S + have/has been + VPII + by O
- Bị động với tương lai đơn : S + will be + VPII + by O
- Bị động với quá khứ tiếp diễn : S + was/were + being + VPII + (by O)