时间:2018-12-18 作者:英语课 分类:英文语法词汇


英语课

   动词加ing的变化规则


  1.一般情况下,直接加ing,如:cook-cooking
  2.以不发音的e结尾,去e加ing,如:make-making, taste-tasting
  3.如果末尾是辅音字母加一个元音字母和一个辅音字母,双写末尾的辅音字母,再加ing,如:run-running, stop-stopping
  现在进行时,用来表示正在进行或发生的动作。结构是:be (am, is, are)+动词现在分词形式,几种句型:
  一、陈述句(肯定句)
  主语+be (am, is, are)+现在分词,如:
  I am reading English.我正在读英语。
  He is writing.他正在写字。 You are running.你正在跑步。
  二、一般疑问句
  Be(Am, Is, Are)+主语+现在分词, 如:
  1. -Are you singing?你正在唱歌吗? -Yes, I am.是的,我在唱歌。
  (No, I'm not.不,我不在唱歌。)
  2. -Is he (she) listening to music?他(她)在听音乐吗?
  -Yes, he (she) is.是的,他(她)在听音乐。
  [No, he (she) isn't.不,他(她)不在听音乐。]
  三、特殊疑问句
  疑问词+be (am, is, are)+主语+现在分词,如:
  1. -What are you doing?你正在干什么?
  -I am doing my homework.我正在做作业。
  2. -What is he (she) doing?他(她)正在干什么?
  -He (She) is riding a bike.他(她)正在骑自行车。
  与现在进行时连用的词:look(看)、listen(听)、now(现在),
  Look! Jack 1 is swimming.看!杰克正在游泳。
  Listen! She is singing.听!她正在唱歌。
  I am cleaning my room now.现在我正在打扫房间。

1 jack
n.插座,千斤顶,男人;v.抬起,提醒,扛举;n.(Jake)杰克
  • I am looking for the headphone jack.我正在找寻头戴式耳机插孔。
  • He lifted the car with a jack to change the flat tyre.他用千斤顶把车顶起来换下瘪轮胎。
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