I'm going to ...
climb a mountain.
We're going to ...
go kitesurfing.
You're going to ...
cook on the campfire.
He's going to ...
go fishing.
She's going to ...
go caving.
He's going to ...
take photos.
They're going to ...
play volleyball.
I'm going to ...
swim in the lake.
You're going to ...
go to the beach.