Ex.3
I’m not reading a book.
Bill isn’t playing a computer game.
The boy isn’t running.
Your dad isn’t driving his car.
We’re not watching TV.
The boys aren’t writing in their notebook.
It’s not snowing now.
Helen isn’t laughing at the moment.
Ex.5
He’s playing the violin.
We’re going to school.
They aren’t playing in the park.
You aren’t listening to me.
He is playing the guitar.
He isn’t sleeping.
Ex. 7
Is he sleeping? -Yes,he is.
Is she driving?-Yes, she is.
Is it running?-No, it’s not.
Are you sending an e-mail?-Yes, I am.
Are they listening to music?-No, they aren’t.
Is he playing the piano?-No, he isn’t.