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新概念辅导:新概念英语第一册语法总结(2)

 Sun Jul 22 16:48:31 CST 2018  7430人 来源:教育在线

新概念辅导:新概念英语第一册语法总结(2)
2. 现在进行时

  表示现在正在进行的动作。

  构成: 主语+be动词+动词的现在分词+其它成分(现在分词的构成见附录)

  We are having lunch.

  He is reading a book.

  The dog is running after a cat.

  The boys are swimming across the river.

  ★变疑问句将be动词移到句首

  Are we having lunch?

  Is he reading a book?

  Is the dog running after a cat?

  Are the boys swimming across the river?

  ★变否定句在be动词后面加 not

  We are not having lunch.

  He is not reading a book.

  The dog is not running after a cat.

  The boys are swimming across the river.

  ★特殊疑问句:what, which, how, where, who, etc.

  疑问词+动词+主语+现在分词

  What are you doing?

  What is she doing?

  What is the dog doing?

  没有进行时的动词(必背)

  表示状态,思想,感情和感觉的动词不能表示正在进行的动作

  1. 表示感觉,感官的词

  see, hear, like, love, want,

  2. have, has当”拥有”讲时没有进行时