What's she doing?
She's walking.
What's happening?
He's falling.
What's he doing?
He's running.
What's she doing?
She's climbing.
What's she doing?
She's flying.
What's happening?
He's losing his toy car.
What's she doing?
She's moving.
What's she doing?
She's jumping.
What's she doing?
She's walking.
What's he doing?
He's hiding.