what to do的语法分析

这算一个省略句吗?想问一下这里的主语在哪,我知道what做的是do的宾语,但从主谓宾角度分析的话,这句话应该怎么分析?

what to do并不是一个句子,而只是一个名词性成分,一般称为 “疑问词 + 不定式” 结构。

所以也就不能用句子的语法来分析该结构了。不过如果放在具体句中时,可以换写成相应的名词性从句。如果疑问词为代词时,则要求该疑问词必须做不定式中某个动词或介词的宾语。

如:I don't know whom to send this letter to

译文:我不知道该把这封信寄给谁。

重点词汇用法:what

1、what用作疑问代词时,其基本意思是“什么,什么东西,什么事情”,用作疑问句,为特殊疑问句的一个标志。

2、what作关系代词时,其含意是“所…的事(物)”。可用来引导主语从句,表语从句,宾语从句或同位语从句。当引导主语从句,其所指的名词必定是单数。

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第1个回答  2020-12-07

what to do并不是一个句子,而只是一个名词性成分,一般称为 “疑问词 + 不定式” 结构。

所以也就不能用句子的语法来分析该结构了。

不过如果放在具体句中时,可以换写成相应的名词性从句。

如:I don't know what to do= I don't know what I should do

译文:我不知道该做什么。

如果疑问词为代词时,则要求该疑问词必须做不定式中某个动词或介词的宾语。

再如:I don't know whom to send this letter to

译文:我不知道该把这封信寄给谁。

扩展资料:

重点词汇用法:what

pron (代词)

1、what用作疑问代词时,其基本意思是“什么,什么东西,什么事情”,用作疑问句,为特殊疑问句的一个标志。

2、what作关系代词时,其含意是“所…的事(物)”。可用来引导主语从句,表语从句,宾语从句或同位语从句。当引导主语从句,其所指的名词必定是单数。主语是单数时,谓语动词一般是单数,但有时因谓语动词之后有复数名词,谓语动词也可用复数; what引导宾语从句时,常置于谓语之后,用作表语时,放在系动词之后。what还可引导让步状语从句,意思是“不管…”。还可接动词不定式短语:。

本回答被网友采纳
第2个回答  2013-09-12
what to do并不是一个句子,而只是一个名词性成分,一般称为 “疑问词 + 不定式” 结构。
所以也就不能用句子的语法来分析该结构了。
不过如果放在具体句中时,可以换写成相应的名词性从句。
如:I don't know what to do.
= I don't know what I should do.

如果疑问词为代词时,则要求该疑问词必须做不定式中某个动词或介词的宾语。
再如:I don't know whom to send this letter to.
= I don't know whom I should send this letter to.
我不知道该把这封信送给谁。

此例句中,whom充当介词to的宾语,即:
whom to send this letter to
= to send this letter to whom本回答被提问者和网友采纳
第3个回答  2013-09-12
“疑问词+不定式动词”其主要功用有下列五种: ⑴当主语,如: ● When to hold the meeting has not yet been decided. ● Where to live is a problem. ● How to cope with the rising cost of living becomes a daily discussion topic. ⑵当宾语,如: ● We must know what to say at a meeting. ● He could not tell whom to trust. ● Do you know how to play bridge? ⑶当补足语,如: ● The problem is where to find the financial aid. ● The question is who to elect. ⑷当名词同位语,如: ● Tom had no idea which book to read first. ● Do you have a rough impression how to do it? ⑸当宾语补足语,如: ● Jim is not sure whose to choose. ● Mary and John are not certain whether to get married or not. 适用于“疑问词+不定式动词”的动词包括:“know, see, decide, tell, ask, consider, discover, explain, forget, guess, hear, imagine, inquire, learn, remember, think, wonder, understand”等。 有点值得特别注意的是:当这结构当宾语时,它的作用等于名词分句,例如: ● I could not decide which dictonary to buy. / I could not decide which dictionary I should buy. ● Jack did not know where to find such a good teacher./ Jack did not know where he could find such a good teacher. 有些动词,如“ask, show, tell, advise, inform, teach”等,可以先有个宾语,然后才接着加上适当的“疑问词+不定式动词” 结构。例如: ● The chief technician showed the apprentice how to repair the machine. ● Have you told him where to get the application form?
第4个回答  2013-09-12
一个句子中有一部分动词后可以接
比如:I don't know what to do.
(我不知道该做什么)