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