I think the only thing I can do is hold you tight.is后面加to吗 为
I think the only thing I can do is hold you tight.is后面加to吗 为什么
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答案:is后面可加可不加to .也就是说,这个to可以省略.
解析如下:在"主系表"结构中,不定式作表语时,如主语中含有实义动词do 的任何形式(如do ,does ,did 等),且句子的时态为一般现在时或一般过去时(多为is或was)时,作表语的不定式就可以省略to.
此句中,主语含有实义动词do (就是the only thing I can do ),所以is后面可以省略to.
又如:(1)What we must do now is (to) find another person to help us.
(2)All he could do was (to) rush into the room.
如句子的动词时态不是一般现在时或一般过去时,作表语的动词不定式一般要带to
(1)She knew that all she would have to do would be to stop crying.(stop 前的to不能省略).
解析如下:在"主系表"结构中,不定式作表语时,如主语中含有实义动词do 的任何形式(如do ,does ,did 等),且句子的时态为一般现在时或一般过去时(多为is或was)时,作表语的不定式就可以省略to.
此句中,主语含有实义动词do (就是the only thing I can do ),所以is后面可以省略to.
又如:(1)What we must do now is (to) find another person to help us.
(2)All he could do was (to) rush into the room.
如句子的动词时态不是一般现在时或一般过去时,作表语的动词不定式一般要带to
(1)She knew that all she would have to do would be to stop crying.(stop 前的to不能省略).
1年前 追问
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回答"一定带to 的解释没看懂": 如果句子的动词时态不是一般现在时或一般过去时(多为is或was)，作表语的动词不定式一般要带to . 如: 在She knew that all she would have to do would be to stop crying.这个句子中. knew 后面的 that 从句是一个宾语从句, 宾从的主语部分 all she would have to do 中含有 do , 但是宾从的时态( would be)是过去将来时, 不是一般现在时的is 或一般过去时的was , 因此作表语的不定式 to stop crying必须带to, 不能省略. 你说" 还有楼下说的怎么不一样?" , 叫我怎么回答你呢? 只能由你自己来判断了. 看你是想信我的还是相信他的?
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