疑问词加不定式做介词宾语时的介词是什么

发布网友 发布时间：2022-04-27 11:50

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热心网友 时间：2023-09-16 12:50

疑问词who,what,which,when,where,whether,how后可接不定式构成不定式短语，在句中作主语、宾语、表 语等。如：
①When to leave for London has not been decided yet. （不定式在句子中做主语）
②Mr. Smith didn't know whether to leave or stay there. （不定式在句子中做宾语）
③I asked Professor Xu how to learn English well. （不定式在句子中做间接宾语）
④The question was where to get the medicine needed. （不定式在句子中表语）
以上例句中疑问词＋不定式部分，均可转换为相应的从句形式。如：①When we shall leave…③…how I
could learn…
经常在这种结构中使用的动词有：consider, decide, discover, explain, find out, forget, hear, know, lea rn, observe, understand, wonder等。

参考资料：http://ke.baidu.com/view/26732?wtp=tt#2

热心网友 时间：2023-09-16 12:51

句子中how to improve my English是know的宾语，know是动词，所以是动词宾语。how to improve my English相当于宾语从句。句型转换时常用。

热心网友 时间：2023-09-16 12:51

①When to leave for London has not been decided yet. （不定式在句子中做主语）
②Mr. Smith didn't know whether to leave or stay there. （不定式在句子中做宾语）
③I asked Professor Xu how to learn English well. （不定式在句子中做间接宾语）
④The question was where to get the medicine needed. （不定式在句子中表语）

热心网友 时间：2023-09-16 12:52

句中how to improve my English作动词know的宾语，即动词宾语，而不是介词宾语。

热心网友 时间：2023-09-16 12:52

英语特殊疑问词;
what, when, where, why, who, how
e.g.
What is your name?

When is your birthday?

Where are you from?

Who are they?