英語四級語法知識：代詞作主語

　　代詞作主語時的一致

　　each, either, neither和由some, any, no, every構成的復合代詞,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 等作復數(shù)

　　some 可后接復數(shù),也可接單數(shù),表示某一.

　　none作復數(shù)看待時較多,但也有時作單數(shù)看待,主要看說話人腦中聯(lián)系想到的是復數(shù)還是單數(shù)概念, 但none 在代表不可數(shù)的東西時總是看作單數(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 可后接復數(shù),也可接不可數(shù)名詞 (all of the…, most of the …), 動詞用單數(shù).

　　由and 或 both… and 連接名詞詞組時, 后用復數(shù); 由not only…but (also), either…or, neither…nor或 or 連接的并列主語, 謂語通常和最鄰近的主語一致

　　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.

　　如果一個句子是由there 或here引導, 而主語又不止一個, 謂語通常也和最鄰近的'那個主語一致。

　　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) 等通常都用作復數(shù).

　　Cattle are grazing on the pasture.

　　The police are looking for him.

　　有些集體名詞有時作單數(shù)看待, 有時作復數(shù)看待, 主要根據(jù)意思來決定.

　　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.

　　有些名詞單復數(shù)同形, 可根據(jù)意思決定謂語動詞的數(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.

　　表示時間, 重量, 長度, 價值等的名詞, 盡管仍是復數(shù)形式, 如果作整體看待, 動詞也可用單數(shù)形式 (當然用復數(shù)動詞也是可以的):

　　Three weeks was allowed for making the necessary preparations.

　　One hundred li was covered in a single night.

　　書名, 國家名用單數(shù):

　　Tales from Shakespeare is a book by Charles Lamb.

　　學科名, 如mathematics, economics用單數(shù).

　　many a 或more than one 所修飾的詞作主語時, 謂語動詞多用單數(shù)形式:

　　Many a person has had that kind of experience.

　　More than one person has involved in the case.

　　a number of 后接復數(shù), the number of后接單數(shù):

　　A number of books have been published o

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