主谓一致点拨

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  主谓一致是高考常考的语法项目,在语法填空、短文改错中经常有所体现,在写作中也常常使同学们感到为难。本人根据实际教学经验,教你四句话记牢主谓一致的规则:主复谓动复,主单谓动单;一分可为二,前后两向看。
  [谓动用复数的情况]
  1. 主语是复数可数名词时。如:
  Two boys are playing on the playground.
  2. 由两个部分组成的物体名词作主语时。如:
  英语中有些由两个部分组成的物体名称,如glasses(眼镜),scissors(剪刀),shorts(短裤),shoes(鞋子),trousers(裤子)等作主语时,其后的谓语动词用复数形式。
  His glasses were broken, so he can’t see well.
  His trousers are made of cotton.
  注意 若这类名词前带有pair等表示单位的名词时,这些名词的单、复数形式决定动词的形式。如:
  Two pairs of trousers are missing.
  This pair of shoes is not on sale.
  3. and连接的两个并列名词做主语,两个名词表示不同的人或物时谓语用复数,若表示同一人或物则谓语用单数。
  A dancer and a singer are on the stage. (两个人)
  A dancer and singer is on the stage. (同一人)
  4. 集合名词在形式和内容上是相互“矛盾”的,就是说它们只有单数形式,但表达的是复数概念。它强调的是集体中的个体,这类名词有police,cattle,machinery,faculty,flock,vermin,personnel等。它们作主语时,谓语动词要用复数。如:
  The police have caught the murder.
  Our personnel are very highly trained.
  The vermin are very dangerous.
  [谓动用单数的情况]
  1. 以-ics结尾的学科名词,如politics,physics,mathematics等作主语时,谓语动词用单数。以-s结尾的名词news,works,plastics等同属此类。如:
  Politics is now taught in all schools.
  “News of victories keeps pouring in as our army advances,” the company commander said.
  Mathematics is a required subject for us.
  Every possible means has been used to prevent the air pollution, but the sky is still not clear.
  2. 有些集合名詞表示的是人或事物的整体,即把这类人或事物的全部包括在内,所以只有单数形式。如作主语,谓语动词常用单数。这类名词常见的有:humanity,mankind,proletariat等。如:
  The proletariat is the greatest class in the history of mankind. In the fields of production and scientific experiment, mankind makes constant progress.
  3. 当表示时间、距离、金额等度量的复数名词作主语,被看作一个整体时,谓语动词一般用单数。如:
  Two hours is enough for the task.
  4.单个不定式短语、动词ing形式或名词性从句作主语,谓语动词用单数形式。如:
  To see is to believe.
  Seeing is believing.
  What I want is a good sleep.
  5. “more than one+名词”作主语时,谓语动词常用单数形式。如:
  More than one teacher gets the flowers.
  6.“many a+名词”作主语时,从意义上看是复数,但谓语动词常用单数形式。如:
  Many a student has been sent to plant trees.
  [一分为二原则]
  1. 集体名词作主语时,若看作整体,谓语动词用单数形式;如果强调的是个体(成员),谓语动词用复数形式。常见的集体名词有:family(家庭),class(班级),team(团队),group(组),public(公众),audience(观众),committee(委员会),government(政府)。
  Our class is a good one.
  Our class are having a meeting.
  2.“分数/百分数/the rest/the majority of”,“none/all/half of+名词”这种结构作主语时,谓语动词的单复数一般取决于of后名词的数及其意义。如:
  More than seventy percent of the earth is covered with water.   There are ten apples. I ate two apples and the rest are for Lilei.
  3. “a number/group/variety of+复数名词”作主语,谓语动词用复数形式;“the number/group/variety of+复数名词”作主语,谓语动词用单数形式。如:
  A number of students are lying on the grass.
  The number of the students is sixty.
  4. a large quantity of与large quantities of修饰名词作主语时,谓语动词根据quantity的单复数形式而定。如:
  A large quantity of books is on the ground.
  Large quantities of water are on the ground.
  5. “one of+复数名词+定语从句”结构中,定语从句的谓语动词要用复数;而在“the (only) one of+复数名词+定语从句”的结构中定语从句的谓语动词要用单数。如:
  He is one of the students who go to school on time.
  He is the (only) one of the srndents who goes to school on time.
  6. 名词化的形容词作主语。“the+形容词”作主语,按照意义一致的原则确定谓语动词的单/复数形式。如果指一类人,谓语动词用复数形式;如果指一个人或抽象概念,谓语动词用单数形式。这类形容词有old,young,rich,poor,blind,deaf,dead,sick等。如:
  The rich are not always happy.
  The wounded is a policeman.
  The beautiful is not always the same as the good.
  [三看原則]
  1.向前看(就前原则)
  在下列结构“A+with/along with/together with/as well as/rather than/including/but/except+B”中,谓语动词的形式与A一致。
  Li Lei, together with his parents, likes going jogging ocfter super.
  2.向后看(就近原则)
  在neither A nor B/either A or B/not only A but also B/not A but B/“A or B+谓语动词”这些结构中,谓语动词的形式和后面的主语一致。
  the following作主语时,使用就近原则。如:
  The following are good examples.
  3. 实事求是
  关系代词who,that,which等在定语从句中作主语时,谓语动词的数应与句中先行词的数保持一致。当先行词是“the only one of+复数名词”时,从句谓语动词用单数形式;当先行词是“one of+复数名词”时,从句谓语动词用复数形式。如:
  He is one of the students who were invited.
  He is the only one of the students who was invited.
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