1.Our teachers often tell us (not to play)in the street.这里为什

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/07 02:30:11

1.Our teachers often tell us (not to play)in the street.这里为什么不是don't play,如果是not开头为什么不是not to play?
2.I'm sorry to keep you (waiting) for a long time.这里为什么不是wait?
3.because of 和because有什么区别?

1.
tell sb' to do ,tell sb' not to do,固定的,tell后面接不定式
如果 don't play就两个动词了,非要用的话就
Our teachers often tell us that don‘t play in the street.在从句里可以这样用.
2.keep sb' doing 同样是固定的,wait 的话就两个谓语动词了.
3.beause of后面接名词性短语,because后面接句子.

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