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英语句子有哪些成份构成?

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  英语句子有哪些成份构成?

  句子由句子成分组成。句子成分主要分为主语、谓语、宾语、定语、状语和补语。

  一.主语 Subject

  主语是一个句子所要说明的人和物,是句子的主体。它一般位于句首,可由名词、代词、数词、名词化的形容词、不定式、动名词以及主语从句等来充当。

  请划出句子主语,并判断是什么成分做主语。

  Knowledge is power.

  She is a small eater.

  Three will be enough for us.

  The injured __were sent___ (send) to hospital at once when the accident happened .

  The+形容词作主语谓语动词用复数

  To see __is_ to believe.

  ___Reading__ (read) books is my hobby.

  ___what we need____ (我们所需要的东西) is your help.

  改错

  1. Visit a museum excites teenagers. Visit---- Visiting

  2. Disabled should be respected. Disabled前加The

  3. Our school has taken place great changes.

  本句应该更改为 Great changes have taken place in our school.

  二、谓语 Predicate

  谓语是用来说明主语的动作、状态或特征,一般放在主语之后。谓语有以下几种基本情况

  1.由一个动词或动词词组构成,无论这个动词是何种时态、语态和语气。

  Everything ___went_ (go) smoothly last month.

  Thousands of trees ____are planted___(plant) every year.

  They ___have finished___(finish) the work so far.

  They ______are swimming___(swim) in the river now.

  2.情态动词+动词

  We must study English hard.

  Water can be dangerous.

  You can’t park here- it's a no parking area.

  That can’t be Tom-he is studying abroad.

  May I come in?

  I may go with you, but I'm not sure

  She cried her eyes out. Something terrible must ___have happened__(happen).

  Must have done是对过去所做事情的肯定推测,表示过去肯定做过某事,它的否定形式(过去肯定没有做某事)can’t have done /couldn’t have done

  The experiment can ____be completed_____ (complete) on time.

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