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小学英语语法知识点汇总(三)

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发表于 2018-7-14 12:51:09 | 显示全部楼层 |阅读模式
  11.there  be结构
       
          肯定句:There is a …
       
          Thereare …
       
          一般疑问句: Is there …?   Yes, there is./ No, there isn’t.
       
          Arethere…?  Yes, there are. /No, there aren’t.
       
          否定句: There isn’t ….
       
          Therearen’t….
       
          12.祈使句
       
          Sit down please
       
          Don’tsit down, please.
       
          13.现在进行时
       
          通常用“now”.
       
          形式: be + verb +ing
       
          eg: I am(not) doing my homework.
       
          You/We/They are(not) reading.
       
          He/She/It is(not) eating.
       
          动词—ing 的形式
       
          Most verbs +ing walk—walking
       
          Verbs ending in e -e + ing come—coming
       
          Short verbs ending in a vowel + a consonant run –running swim—swimming
       
          14.一般现在时
       
          通常用 “usually, often, every day,sometimes”。
       
          肯定句:
       
          I go to school on foot every day.
       
          She goes to school on foot every day.
       
          一般疑问句:
       
          Do you jump high? Yes, I do. / No, I don’t.
       
          Does he jump high? Yes, he does. / No, he doesn’t.
       
          否定句: We don’t go to school on Sundays.
       
          My mother doesn’t like watching TV in the evening.
       
          15.情态动词
       
          can,must, should后面直接用动词原形。
       
          eg: 1. I / He / She / They can sing.
       
          2.You should keep quiet in the library.
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