It is laughing.
It isn't laughing.
It is jumping.
it isn't jumping.
It is watching TV.
It isn't watching TV.
They are singing.
They aren't singing.
It is running.
It isn't running.
They are clapping.
They aren't clapping.
It is sleeping.
It isn't sleeping.
They are studying.
They aren't studying.
He is crying.
He isn't crying.
They are playing.
They aren't playing.
It is smiling.
It isn't smiling.
She is eating cookies.
She isn't eating cookies.
He is swimming.
He isn't swimming.
He is dancing
He isn't dancing
They are eating.
They aren't eating.
They are walking.
They aren't walking
They are brushing their teeth.
They aren't brushing their teeth.