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非谓语动词有些不定式做宾语补足语不带To但被动式式其宾语补足语必须带TO如HAVE能举个例子吗?HAVE后面不是永远不加

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非谓语动词有些不定式做宾语补足语不带To但被动式式其宾语补足语必须带TO如HAVE能举个例子吗?HAVE后面不是永远不加TO吗
非谓语动词有些不定式做宾语补足语不带To但被动式式其宾语补足语必须带TO如HAVE能举个例子吗?HAVE后面不是永远不加
给你解释如下:
1、不定式在某些感觉动词(feel,hear,listen to,watch,look at,notice,observe)和使役动词(let,have,make)后作宾语补足语时,省去to,但在被动语态中to不可省.例如:
Didn't you hear anyone say anything about is?你难道没听到任何人谈过这件事情吗?
Let my hear you play the piano!让我听听你弹钢琴吧!
Don't look at other people dance.不要看别人跳舞.
They made the workers work day and night.当这个句子变为被动语态时候The workers were made to work day and night.就不能省to了.(工人们被迫日日夜夜地干活)
2、在动词help后,to可以省,也可以不省.如:I will help him (to)clean the room.我将要帮他打扫这间屋子.
3、唯一一个例外,let用于被动语态且不定式作宾补时,to可以省也可以不省.如:We have let him go.He has been let go=He has been let to go.