what 引导从句做主语

wakeup001 · 发表于 2018-10-3 23:15:40

看到两个题目，分别都是what 做主语，但一个答案是are,一个答案是is，如下面：求指教，很困惑。what concern scientists the most about global warming are risks that the polar ice caps will melt, that the seas will grow too warm to sustain marine life, and that violent weather patterns may result.

The period when the great painted caves at Lascaux and Altamira were occupied by Upper Paleolithic people has been established by carbon-14 dating, but what is much more difficult to determine is the reason for their decoration,the use to which primitive people put the caves, and the meaning of the magnificently depicted animals.

kluivert · 发表于 2018-10-4 01:29:56

出处? 压根搜不到跟are 的那个句子

kluivert · 发表于 2018-10-4 11:49:41

刚好看到大神milk的解析，相信会有帮助

Substantive clauses and subject-verb agreement

Above, I cited the rough-and-ready rule — when a substantive clause is the subject of a sentence, it is generally construed as singular and takes a singular verb.  It’s unlikely you will see substantive clause used as subject at all on the real GMAT, and if even you do, you probably could just ignore the exception, choose the singular verb automatically, and you would be right 99% of the time.  Yes, there is an exception — the grand clarification of noun clauses and subject-verb agreement  —- and yes, I will discuss this, but first of all be aware: it is exceedingly unlike that a SC question on a live GMAT would ever stray into this territory.  For all intents and purposes, the discussion of this exception is “grammar beyond the GMAT.”

Here’s the exception.  If the substantive clause begins with a relative pronoun —- who, whom, what, where, whoever, whomever, whatever, wherever — then whether the clause is singular or plural depends on whether the relative pronoun itself is understood as singular or plural.

10) What annoys me is all the noise during the movie.

11) What annoy me are all the people who talk during the movie.

In #10, the relative pronoun is understood as singular, and thus the entire substantive clause is construed as singular: that’s why both verbs (“annoys”, “is”) are singular.  In #11, the relative pronoun is understood as plural, and thus the entire substantive clause is construed as plural: that’s why both verbs (“annoy”, “are”) are plural.

12) Whoever broke into your house in broad daylight ____ incredibly brazen.

Should this question have the singular “was” or the plural “were”?  That depends on whether we think one person or multiple people participated in this daylight break-in.  There’s absolutely no clue in the sentence that would help us to determine this (hence, this absolutely could not be a GMAT SC question!).  We would have to know or infer from context the correct verb to use.

Once again, this exception, while fascinating in and of itself, is far beyond anything you are even remotely likely to see on the GMAT.

wakeup001 · 发表于 2018-10-4 16:32:51

kluivert 发表于 2018-10-4 11:49
刚好看到大神milk的解析，相信会有帮助

Substantive clauses and subject-verb agreement

非常感谢！
那个are的句子是在GMAT club 700-800题里的，确实不常见。

[SC悬赏令] what 引导从句做主语

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