高中英语语法:动词不定式的省略
①使役动词和感觉动词后不定式作宾补时,省略不定式符号to。
②不定式与前面的动词重复时,常被省略,但要保留to。
1、使役动词let, make, have及感觉动词see, watch, hear, notice, observe feel, witness等后面作宾语补足语的不定式要省去,但用于被动语态时不能省略。
例如:I saw the boy fall from the tree. The boy was seen to fall from the tree.
2、有时为了避免重复,表达相同意思的不定式to符号后面的内容常承前省略,只保留不定式符号to。
①系动词(be) + adj. 此类用法中常见的形容词有:afraid, ready, glad, happy, willing等。例如:
-Could you go shopping with me?
-I am glad to.(省略了go shopping with you)
②mean, try, want, afford, decide, refuse, wish, like, need, would like, would love等后面接不定式作宾语时,省略作宾语的不定式,只保留不定式符号to。
-Are you going there? -Yes, Id like to. (省略了going there)
【注意】若该宾语是be动词或完成时态的不定式时,则须在to后面保留be或have。例如:
-Are you an engineer? -No, but I want to be. (be不能省略)
③tell, warn, order, advise, ask, expect等动词后不定式作宾补时,常省略不定式的内容,只保留不定式符号to。例如:
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