动词加itThis room is too small for us to________ 空格填live in 还是 live in lt 请说明it在这种句子中的用法

动词加itThis room is too small for us to________ 空格填live in 还是 live in lt 请说明it在这种句子中的用法 非谓语动词句型问题⒈She is often heard to sing in the next room.(动词sing前面为什么要加to?)⒉The students were made to clean the street.(东西clean前面为什么要加to?) The room is big enogh for 20 people to live in为什么加in This room is big enough for us to live in.This room is big enough for us to live （in）.句子后面为什么要加in? 到底是 There is no room for us to live .还是there is no room to live in.到底什么时候在最后加介词麻烦举些例子 为什么不用动词原形?The room is large enough to hold twenty people.hold为什么不用held This is the house in __I used to live A.that B/ which C.where D.itThis is the house in __I used to live A.that B/ which C.where D.it 为什么选B . There is not enough room for us to live in 为啥要加in 什么时候不加in呢? 动词不定式不加to to加动词原形是什么意思 什么时候动词前加to This is my telephone number .Please remember itThis is my telephone number .Please ------- ------- in ------- ----- the dining room is a room _____ to eat meals. 哪些动词后再接动词 要加ing 哪些动词后再接动词 加to 动词 lily’s room is bigger than john's room两个room要加s吗 The factory is being enlarged to make room for more machinery.这句话中出现了is being,这样的话不就是两个be动词了吗? The most important thing to do is to find a room(to live in)为什么要加to?不用living或to live? Be动词后面加ingKate is flying to HeBei this winter.为什么要用be+动词ing?