英语变被动语态,

英语变被动语态,
1.They write the business letters in English.
2.Does he often mind his car!
3.My brother doesn't finish his homework today.
4.Has your father made a kite for you yet.
5.The old farmer told us that us they hadn't built near roads yet.
6.The box is too heavy to carry.
7.The farmers in the village are building a new school now.
8.Miss Li told us that we should help the farmers pick up apples