PRESENT CONTINUOUS TENSE

Jack is watching TV. He isn't revising.

Jack isn't watching TV. He is revising.

Jack is watching TV and revising.

Jack watching TV. He not revising.

You're doing your homework. You aren't chatting to friends.

You're doing your homework and chatting to friends.

You aren't doing your homework. You're chatting to friends.

You not doing your homework. You chatting to friends.

They're listening to the teacher. They're not reading a book.

They're not listening to the teacher. They're reading a book.

They're not listening to the teacher. They're not reading a book.

They not listening to the teacher. They reading a book.