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1.作主语。 如: To learn English is very important. 但实际上不定式作主语常用 it来作形式主语,而将不定式移至谓
1.作主语。 如: To learn English is very important. 但实际上不定式作主语常用 it来作形式主语,而将不定式移至谓语动词后作真正的主语。 如上句可表达为: It's very important to learn English. 2.作表语。 如: My idea is to ring him up at once.
3.作宾语。 如: I have decided to go to Binjiang Primary School. 4.作宾语补足语。 a. ask, want, teach, tell, know, would like, allow等动词后面接动词不定式作宾语补足语。 如: The policemen asked him to get off the bus. b. hear, see, look at, feel, watch, notice, listen to等动词后接不带to的动词不定式作宾语补足语。 如: We often see Miss Li clean the classroom. c. let, make, have这些使役动词后接不带to的动词不定式作宾语补足语。但在被动语态中这些不带to的都须带上to。 如: In those days the bosses often made the workers work day and night. d.动词help接动词不定式作宾语补足语,可带to也可不带to。 如: Can you help me (to) carry the heavy bag?
本文标题:初中英语动词知识点:动词不定式的形式
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