正在发生的事情

　　现在进行的动作和发生的事 be doing something

　　1) I’m/You’re/He’s /She’s /We’re/They’re (not) working.

　　2) Are you playing football? Yes, I am/we are.

　　3) Is he/she taking exercise? Yes, he/she is. No, he/she isn’t.

　　4) Are they going shopping? Yes, they are. No, they aren’t.

　　5) What are you doing? I’m/We’re cleaning the room.

　　6) What’s he/she doing? He’s/She’s having supper.

　　7) What are they doing? They’re reading.

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