Change the following sentences into the passive voice. 1. They made him work all day. 2. People don’t make the children work hard. 3. They let him meet her family last month. 4. He won’t let you do that silly thing again. 5. People saw him steal your car. 6. I have heard her sing this song several times. 7. The teacher is watching them work. 8. Alice had a mechanic repair her car. 9. Ellen got Marvin to type her paper. 10. The hairdresser is cutting Mary’s hair now. → Mary is having her hair → Mary is having the hairdresser

$\text{Câu bị động:S + be + VpII + (by + O)}$

`1`. He was made to work all day.

`2`. The children aren't be made to work hard.

`3`. He was let to meet her family last month. 

`4`. You won't be let to do that silly thing again.

`5`. He was seen to steal your car.

`6`. I has been heard to sing his song several times by me.

`7`. They are being watched work by the teacher.

`8`. Alice 's car was repaired by a mechanic.

`9`. Ellen got her paper typed by Martin.

10.→ Mary is having her hair cut now. (have sth done)

     → Mary is having the hairdresser cut her hair now. (have sb do sth)