I don't know when we shall leave for Moon Bay.(改为简单句)为什么用to?

问题描述:

I don't know when we shall leave for Moon Bay.(改为简单句)为什么用to?
原来的题目是:
I don't know when we shall leave for Moon Bay.(改为简单句)
I don't know when _____ _____for Moon Bay.,空格中填 to leave,为什么用to?
今天就要.
我知道是to leave 那为什么用to
1个回答 分类:英语 2014-11-30

问题解答:

我来补答
to leave
因为I don't know when .
这种表示将来意义的宾语从句,可以用W疑问词+不定式,不定式有将来的意义.
 
 
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