I`m  reading a book.

I`m not reading a book.

 

Bill is playing a  computer game.

Bill isn’t play  computer game.

 

The boy is running.

The boy isn’t  running.

 

Your dad is driving his car.

Your dad isn’t driving his car.

 

We’re watching TV.

We aren’t watching TV.

 

The boys  are writing in  their  notebooks.

The  boys  aren’t  writing in  their  notebooks.

 

It’s snowing now.

It isn’t  snowing now..

 

Helen is laughing at the moment.

Helen isn’t  laughing at the moment.

 

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.