They _________ skating.
are
The dog _______ skateboarding
is
The dogs ___________ running
are
They _________ sleeping.
are
The pandas _________ playing on the slide.
are
Snoopy __________ playing the guitar.
are
They _________ jumping.
are
She ________ doing a carwheel.
is
They ________ laughing.
are
The rabbit _________ eating.
is