What are they doing?
They're cooking
What is he/she doing?
He/she is playing the guitar
We....playing football.
are
........you going?/ I....to the cinema.
Where are/ am going
The boys.....(wait) for the bus.
are waiting
What is she doing?
He/She is playing badminton
What...it doing? / It...
Is/is eating
What is he doing?
He/She is doing the homework.
...he watering the plants?/ No, he....
Is/isn't