求need+n 的肯定句和否定句、need+to do 的肯定句和否定句、need doing 的肯定句和否定句 谢了~很急的~

求need+n 的肯定句和否定句、need+to do 的肯定句和否定句、need doing 的肯定句和否定句 谢了~很急的~

1.need+n.的时候，意思和want接近：
e.g.He needs money.
It doesn't need explanation.
2.need+to do是指需要做某事,主语是动作的发出者：
e.g.He needs to clean the house.
He doesn't need to clean the house.
3.need+doing也是指需要做某事，不过主语是动作的承受着，含有被动意：
e.g.The clothes need washing.（这个形式的否定很少见）
4.此外need还可用作情态动词，用在含有must do的问句的否定回答中。
e.g.-Must I do all the exercises?
-No, you needn't.(没必要)

搜一下：求need+n 的肯定句和否定句、need+to do 的肯定句和否定句、need doing 的肯定句和否定句 谢了~很急的~