What's he doing?
He's learning how to dive.
What's he doing?
He's sleeping late.
What are they doing?
They're reading a lot of books.
What's he doing?
He's sunbathing.
What are they doing?
They're acting in a play.
What are they doing?
They're playing volleyball.
What's he doing?
He's grilling hamburgers.
What has he done?
He's won a competition.
What are they doing?
They're riding a roller coster.
What's he doing?
He's hiking.