主谓一致是英语的一项重要语法内容

发布 2021-05-11 17:54:28 阅读 2164

主谓一致是英语的一项重要语法内容,也是高考必考的语法点之一。虽然主谓一致涉及的语法规则有多条,但面临高考的同学应特别关注以下几点:

一、动词不定式短语、-ing形式短语或名词性从句作主语时,谓语动词一般用单数形式。但what引导从句作主语时,在下列情况下,主句谓语动词多用复数形式:①表语为复数名词时;②what引导的从句是一个具有复数意义的并列结构时。

如:learning new words and useful expressions is very important for me.

what he’d like is a digital watch.

what we h**e to learn are the pieces of language that produce inversion.

what i say and think are no business of yours.

二、在定语从句中,关系代词作主语时,谓语动词的数常与其先行词保持一致。但在“one of +复数名词+定语从句”的结构中,从句的谓语常用复数形式;而在“the (only) one of +复数名词+定语从句” 的结构中,从句的谓语常用单数形式。试比较:

i was one of the persons in my office who were invited.

i was the(only) one of the persons in my office who was invited.

三、“分数/百分数+ of + 名词”作主语时,谓语动词的数要与of后面的名词保持一致。如:

two-fifths of the land in that district is covered with trees and grass.

more than ten percent of the workers are from paris.

四、由or,either...or...neither...

nor...not only...but also...

not...but...等连接并列主语时,谓语动词的数通常遵循“就近一致”的原则,即谓语动词的单、复数形式依最接近它的主语而定。

特别要注意疑问句中谓语动词的形式。如:

either her father or her mother calls for her every afternoon.

are either you or he to go there ?

neither is.

neither the president of the company nor the sales manager is a college graduate.

五、and / both...and...连接两个并列主语时,谓语动词一般用复数形式。

若and连接的两部分指同一人、同一物、同一事或同一概念时,谓语动词则常用单数形式。如:

his lawyer and parents were with him on his trip to europe.

both rice and wheat are grown in our country.

whisky and soda is always my f**orite drink.

whisky and soda意为“威士忌汽水酒”,指同一物)

your colleague and former college friend is coming to our home tomorrow.

主语部分意为“你的同事,就是你那位大学时的朋友”,指同一人)

六、在each...and each...every...

and every...no ..and no...

many a...more than a(an, one)..等结构之后,谓语动词常用单数形式。

如:every man and (every) woman is to take part in the election.

many a child likes it.(=many children like it.)

七、一些以-ics结尾的学科名词,如mathematics /politics / physics以及news/works(工厂)/means等在形式上似乎是名词的复数形式,但多用作单数名词,此类名词作主语时,谓语动词一般使用单数形式。如:

the ***** works was built in 1990.

every possible means has been used to prevent the air pollution, but the sky is still not clear.

八、一些“成双成套”的名词,如

trousers /pants /glasses /clothes /shoes /scissors/compasses(圆规)等用作主语时,谓语动词常用复数;若此类名词前有a (the/this) pair of /a suit of等量词修饰时,谓语动词则常用单数形式。如:

my glasses are broken. i h**e to buy a new pair.

the pair of shoes under the bed belongs to tom.

九、若主语是由“a kind of/a series of等+名词”构成时,谓语动词通常用单数形式;但在“these/those kind/type of+复数名词”之后,谓语动词则常用复数形式。如:

this kind of men is dangerous.

these kind of tests are good.

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