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动词 + 不定式 YanKang 主持

有些动词可以尾随动词不定式。这些动词包括:
agree, offer, decide, appear, forget, refuse, attempt, plan, seem, learn, promise, manage, arrange, pretend, dare, threaten, fail, hope, afford, tend.

结构: 动词+to+动词不定式。
例如: As it was late, we decided to take a taxi home.
We decided not to go out because of the weather.

某些动词可后随提问词 what, where, how. 这些动词包括: ask, decide, know, remember, forget, explain, understand.

如,We asked how to get to the station.





 






 

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不定进行式=to be +动词现在分词:
I pretended to be reading
= I pretended that I was reading.

不定完成式=to have + 动词过去分词。
You seem to have lost weight
= It seems that you have lost weight.

个别动词后面,可以省略 to:I wouldn't dare to ask him = I wouldn't dare ask him.    下页