关于need的用法（need to do&need doing的区别）

关于need的用法（need to do&need doing的区别） need do;need to do;need doing的区别? need 的用法need to do sth 和 need doing sth 的区别..有没有need to doin 关于need的用法need后接不定式即：need to do和后接现在分词,即：need doing有什么区别 need to do和need doing的区别 问哈need to do和 need doing的区别? need to do sth和need doing sth 的区别 need to do 和 need doing的意思和区别 need to do sth和need doing sth的用法、意思和区别是什么? need do/need to do/need doing的意思 need to do、need do、need doing、neeed to be done的区别 need的用法?need to do还是need do?