名詞在句子中的作用

  1.主語(yǔ)是可數(shù)名詞單數(shù)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式;主語(yǔ)是復(fù)數(shù)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式。

  All roads lead to Rome.(條條大路通羅馬。)

  His brother is an industrial engineer.

  The number of the students attending the party is increasing.

  ★the number of表示數(shù)量，無(wú)論后面名詞是復(fù)數(shù)還是單數(shù)，謂語(yǔ)動(dòng)詞是單數(shù)形式。

  Two-thirds of the shop belongs to me.

  ★two-thirds三分之二

  幾分之幾作主語(yǔ)，謂語(yǔ)是單數(shù)形式。

  Both of us are studying English.

  ★總結(jié)：在名詞作主語(yǔ)時(shí)，the number of謂語(yǔ)動(dòng)詞單數(shù)形式;

  幾分之幾，謂語(yǔ)單數(shù)形式;

  both謂語(yǔ)使用復(fù)數(shù)形式。

  2、主語(yǔ)是不可數(shù)名詞、不定式或動(dòng)名詞詞組、從句時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式。

  All the money he received was given to his mother.

  Forgetting the past means betrayal.

  What we are talking now is useless.

  3.主語(yǔ)部分若有as well as，with，together with，like，but，except等短語(yǔ)，謂語(yǔ)動(dòng)詞的單、復(fù)數(shù)與短語(yǔ)前面的名詞一致。

  Mary，as well as her two sisters，is a student of this school.

  (as well as her two sisters作主語(yǔ)Mary的主語(yǔ)補(bǔ)足語(yǔ)，主語(yǔ)Mary是單數(shù)，所以謂語(yǔ)動(dòng)詞用單數(shù)形式)

  No one except my friends knows anything about it.

  4.表示時(shí)間、距離、重量、價(jià)值等的復(fù)數(shù)名詞作主語(yǔ)時(shí)，如果當(dāng)作整體看待，謂語(yǔ)動(dòng)詞用單數(shù)形式�！啊�+(×)…=…”算式中的謂語(yǔ)動(dòng)詞也用單數(shù)形式。

  Three times two is six.

  Three kilometers is 3，ooo metres. (three kilometers作為整體來(lái)看)

  5.Either，neither作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式。

  Neither of us has been to Italy.

  Has either of them been to Shanghai?

  none代表可數(shù)的人或東西時(shí)，謂語(yǔ)動(dòng)詞可以用單數(shù)也可以用復(fù)數(shù)，代表不可數(shù)的東西時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式。

  None of the students have/has seen the film.

  None of the money belongs to me.

  6.主語(yǔ)由either…or，neither…nor，not only…but also連接時(shí)，謂語(yǔ)形式由最鄰近的主語(yǔ)決定。

  Not only you but also I am wrong.

  Neither my aunt nor I am going out this afternoon.

  Either you or she is to do the work.

  7.主語(yǔ)中有and，如果表示單一概念，謂語(yǔ)動(dòng)詞用單數(shù)。

  The bread and butter is nice.

  8.主語(yǔ)前有many a，more than one修飾時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式。

  Many a book has been read by the students.

  ★many a book=many books

  More than one person has been to the Great Wall.

  9.集合名詞作主語(yǔ)，當(dāng)作整體看待時(shí)，謂語(yǔ)動(dòng)詞用單數(shù)形式，當(dāng)作每個(gè)獨(dú)立的個(gè)體看待時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)。

  The committee meets once a year. (作為整體)

  The committee are having a meeting now. (作為獨(dú)立個(gè)體)

  People，police作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式。

The police have come to arrest him.

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