1. What are you doing at the beach?
I'm surfing.
2. What's he doing at the beach?
He's swimming.
3. What's he doing at the beach?
He's sailing.
4. What are they doing at the beach?
They're sailing.
5. What are you doing at the beach?
I'm kayaking.
6. What's she doing at the beach?
She's snorkeling.
7. What's he doing at the beach?
He's windsurfing.
8. What's he doing at the beach?
He's waterskiing.
9. What are you doing at the beach?
We're taking photos.
10. What are they doing at the beach?
They're playing with a ball.
11. Are you sailing?
No, I am not.
12. Is he swimming?
Yes, he is.
13. Is she kayaking?
No, she isn't.
14. Are they windsurfing?
Yes, they are.
