关于宾语补足语I have no choice but to stay here. He did nothing las

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关于宾语补足语
I have no choice but to stay here.
He did nothing last Sunday but repair his bike.
这两句为什么一句用了”to”一句没有?
这有没有涉及一些语法?
I have no choice but stay here. He did nothing last Sunday but to repair his bike.
可以吗?
谢谢了!

这个的关键在于那个but上面
如果but前的那个动词是实意动词do的任何形式,也就是“做”这个意思的时候,后面的动词就不需要用不定式,也就是省略to,就像上面那句：
he did nothing last sunday but repair his bike
如果but 前的那个动词不是“do”的任何形式的话,那么后面就是一个不定式,就像上面的：
i have no choice but to stay here.

关于宾语补足语I have no choice but to stay here. He did nothing las I have no choice but to stay here. I have no choice but to stay here. 中but to stay here 是什么成分? 关于非谓语动词作宾语两个句子--I have no choice but to leave.和I had nothing 请问：I have no choice but to stay here.to在这里有什么用?能省吗 I have no choice but to stay here.哪个是谓语动词和非谓语动词? 非谓语动词题动词不定式也可充当介词宾语,如：I have no choice but to stay here.我只能留 I have no choice but to wait.I have nothing to do except sle 关于I have no choice but to do have no choice but to do sth.have nothing to do but do sth. do nothing but do 与have no choice but to do 与can't but do I have no choice but to do it.