What is he doing?
He is running
He _____ going to school.
isn't
is
They _____ playing tennis.
aren't
are
What are you doing?
I'm swimming
It's a _____
mountain
They _____ watching TV
aren't
are
What is she doing?
She is reading (a book)
She _____ drinking
isn't
is
What are you doing?
I'm drinking
What are you doing?
I'm eating
What are they doing?
They are eating
What is he doing?
He is watching TV.
He _____ playing tennis.
isn't
is
What is he doing?
He is playing tennis.
What are they doing?
They are playing football / soccer.
The cat ___ playing
is
isn't
What are you doing?
I'm running