If you had a motorbike, you could... (racing)
go racing.
If you went to space, where could you go? (Mars)
If I went to space, I could go to Mars.
If you had money, you could... (Hawaii)
go to Hawaii.
If you could do anything, what would you do? I would...
go skydiving.
If you could go anywhere, where would you go?
If I could go anywhere, I would go to New York.
If you could do anything, what would you do? I would...
go kayaking.
If you took sailing lessons, you could ...
sail a boat.
If you went to Costa Rica, you would...
go rafting.
If you went to a TV show, you would...
see/meet a TV star.
If you were a scientist, where would you go? (Antarctica)
If I were a scientist, I would go to Antarctica.
If you lived in a ranch, you would...
have/ride/buy a pony.