2.
A: What would you do if you saw an accident?
B: If I saw an accident, I'd call an ambulance.
3.
A: What would you do if you met a celebrity?
B: If I met a celebrity, I'd ask for their autograph.
4.
A: What would you do if you found a wallet on the street?
B: If I found a wallet on the street, I'd give it to the police.
5.
A: What would you do if you had a garden?
B: If I had a garden, I'd plant flowers.
6.
A: What would you do if you got a promotion?
B: If I got a promotion, I'd celebrate with my friends.