1.

A: Karen, what would you do if you found a wallet.

B: If I found a walled, I would take it to the police.

2.

B: If you start saving your money, you will be able to go.

3.

A: What would you do if you saw someone breaking into your neighbour's house?

B: If I saw someone breaking into my neighbour's house, I would call the police immediately.

4.

B: If you were more careful with your spending, you would have more money.

5.

B: If we build a campfire, our guide will see the smoke.

6.

If he studies more, he will do well in school.