被动的用法There is a river to swim in.是否应该用被动 改成to be swam in在什么时

被动的用法There is a river to swim in.是否应该用被动 改成to be swam in在什么时 It's very dangerous to swim in a d____ river.中应该填什么? We learn （A. swim B.swims C.swam D.to swim) in the pool in s 主动语态变被动语态,1.He shouldn't allow his son to swim in the river. the deep river is dangerous ().to swim;to swim in;swim in;sw ____it is to swim in the river in summer! The river is too deep for____ to swim in.It may be very dang -----it is to jump into the river to swim in summer!A How fu 动词不定式的被动用法例如Do you have any clothes to be wash?而There is foo The teacher asked us to be quiet in class.改成被动语态 句子改成被动语态 we will take a plane to go to work in the fufure To swim in this river is very interesting