What are you doing?
I'm sitting.
box
sand
window
beach
sandcastle
What are they doing?
They're going on a boat.
walk
What are they doing?
They're reading (books).
What are they doing?
They're running.
What is he doing?
He's swimming.
camera
sea
fox
shells
web
What is he doing?
He's surfing.
trousers
What are you doing?
I'm/ We're playing with a ball.
What's he doing?
He's snorkeling.
jellyfish
What is she doing?
She's collecting shells.
handbag