作业帮but to do和but do的差别
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/07 13:28:18
but to do和but do的差别
ut 作介词 ,“除了.”
当主句中存在do 动词的任何形式,介词but 后就省去to,而只接do
I couldn't do anything but sleep
I did nothing but wait
He had nothing to do but cry.
而I had no choice but to sleep
再问： 什么是do 动词的任何形式
再答： do 的现在时形式，过去式形式，完成时形式（have done, had done....) 将来时will do ,would do // 情态动词后 记住：只是do动词，不能是其他行为动词 我给你的例句，前3个，有do 后一个，无do,; 那个had 属其他动词
当主句中存在do 动词的任何形式,介词but 后就省去to,而只接do
I couldn't do anything but sleep
I did nothing but wait
He had nothing to do but cry.
而I had no choice but to sleep
再问： 什么是do 动词的任何形式
再答： do 的现在时形式，过去式形式，完成时形式（have done, had done....) 将来时will do ,would do // 情态动词后 记住：只是do动词，不能是其他行为动词 我给你的例句，前3个，有do 后一个，无do,; 那个had 属其他动词
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关于cannot but do；can't help but to do;have no choice but to d
but i do do feel that i to to will miss you much中为什么do do和 t
have no choice but to do sth.have nothing to do but do sth.