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They are listening to music.
What are you doing?
I am writing.
What are you doing?
I’m using the computer.
What are you doing?
I’m making soup.
What’s she doing?
She’s washing the dishes.
What’s he doing?
He’s running\exercising.
1.用法：表示现在（说话时）正在进行或发生
的动作。
Be (am /is /are) + doing(现在分词)
2.构成：
肯定句：主语 + be + doing.
否定句：主语 + be + not + doing.
一般疑问句：Be +主语+doing？
Yes,主语+be./No,主语+be + not.
特殊疑问句：疑问词+be+主语+doing？
现在进行时:
一般在动词原形后+ing
go
ask
going
asking
以不发音的e结尾的，去e，+ing
write
take
writing