>>>>2015年6月英語(yǔ)四級(jí)語(yǔ)法知識(shí)大全 
大學(xué)英語(yǔ)四級(jí)考試涉及的語(yǔ)法知識(shí)點(diǎn)多、涉及面寬，對(duì)不少考生來(lái)說(shuō)都是一個(gè)難題。希望通過(guò)本專題的學(xué)習(xí)，考生能對(duì)四級(jí)語(yǔ)法有更全面的掌握。
代詞作主語(yǔ)時(shí)的一致
each, either, neither和由some, any, no, every構(gòu)成的復(fù)合代詞,都作單數(shù)看待.
Each of us has something to say.
Is everybody ready?
Somebody is using the phone.
Neither of us has gone through regular training.
Has either of them told you?
some, few, both, many 等作復(fù)數(shù)
some 可后接復(fù)數(shù),也可接單數(shù),表示某一.
none作復(fù)數(shù)看待時(shí)較多,但也有時(shí)作單數(shù)看待,主要看說(shuō)話人腦中聯(lián)系想到的是復(fù)數(shù)還是單數(shù)概念, 但none 在代表不可數(shù)的東西時(shí)總是看作單數(shù):
None of the books are easy enough for us
None of us seem to have thought of it.
None (= not a single one) of us has got a camera.
None (= nobody) has felt it more keenly than she did.
None of this worries me.
all 和most 可后接復(fù)數(shù),也可接不可數(shù)名詞 (all of the…, most of the …), 動(dòng)詞用單數(shù).
由and 或 both… and 連接名詞詞組時(shí), 后用復(fù)數(shù); 由not only…but (also), either…or, neither…nor或 or 連接的并列主語(yǔ), 謂語(yǔ)通常和最鄰近的主語(yǔ)一致
Not only the switches but also the old writing has been changed.
My sister or my brother is likely to be at home.
Either you or Mr Yang is to do the work.
Neither my wife nor I myself am able to persuade my daughter to change her mind.
如果一個(gè)句子是由there 或here引導(dǎo), 而主語(yǔ)又不止一個(gè), 謂語(yǔ)通常也和最鄰近的那個(gè)主語(yǔ)一致。
There was carved in the board a dragon and a phoenix.
Here is a pen, a few envelopes and some paper for you.
people, police, cattle, poultry (家禽), militia (民兵) 等通常都用作復(fù)數(shù).
Cattle are grazing on the pasture.
The police are looking for him.
有些集體名詞有時(shí)作單數(shù)看待, 有時(shí)作復(fù)數(shù)看待, 主要根據(jù)意思來(lái)決定.
His family isn’t very large.
His family are all music lovers.
The committee meets twice a month.
The committee are divided in opinion.
The audience was enormous.
The audience were greatly moved at the words.
有些名詞單復(fù)數(shù)同形, 可根據(jù)意思決定謂語(yǔ)動(dòng)詞的數(shù):
This new series is beginning next month.
These new series are beginning next month.
This species is now extinct.
These species are now extinct.
表示時(shí)間, 重量, 長(zhǎng)度, 價(jià)值等的名詞, 盡管仍是復(fù)數(shù)形式, 如果作整體看待, 動(dòng)詞也可用單數(shù)形式 (當(dāng)然用復(fù)數(shù)動(dòng)詞也是可以的):
Three weeks was allowed for making the necessary preparations.
One hundred li was covered in a single night.
書(shū)名, 國(guó)家名用單數(shù):
Tales from Shakespeare is a book by Charles Lamb.
學(xué)科名, 如mathematics, economics用單數(shù).
many a 或more than one 所修飾的詞作主語(yǔ)時(shí), 謂語(yǔ)動(dòng)詞多用單數(shù)形式:
Many a person has had that kind of experience.
More than one person has involved in the case.
a number of 后接復(fù)數(shù), the number of后接單數(shù):
A number of books have been published on the subject.
The number of books published on the subject is simply amazing.
one of those 后用單數(shù). 在“one of + 復(fù)數(shù)名詞 +關(guān)系分句”結(jié)構(gòu)中，關(guān)系分句中謂語(yǔ)動(dòng)詞的單復(fù)數(shù)形式在一般情況下有兩形式，一是根據(jù)先行詞采用復(fù)數(shù)形式：
Joan is one of those people who go out of their way to be helpful.
當(dāng)one 之前友the only 等限定詞和修飾語(yǔ)時(shí)，關(guān)系分句謂語(yǔ)動(dòng)詞根據(jù)one 而定，即采用單數(shù)形式：
He is the only one of those boys who is willing to take on another assignment.
Joan is one of those people who go out of their way to be helpful.
當(dāng)one 之前友the only 等限定詞和修飾語(yǔ)時(shí)，關(guān)系分句謂語(yǔ)動(dòng)詞根據(jù)one 而定，即采用單數(shù)形式：
He is the only one of those boys who is willing to take on another assignment.
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