Read the situations and complete conditional sentences.
0. I'm not rich so I won't buy a house. If I (were rich, I would) buy a house.
1. It might be sunny tomorrow. We usually go for a walk on sunny days. If it ________ for a walk.
2. Sandra has to go on a diet because she weighs over eighty kilos. If Sandra ________ go on a diet.
3. I might have some money in my bag. If so, I want to lend it to you. If I ________ it to you.
4. I don't think she'll win this match. The winner gets £1000. If she ________ get £1000.