Choose or complete the most suitable verb forms in each sentence.
1. Why didn't you tell me? If you told / had told me, I had helped / would have helped you.
2. Let me give you some advice. If you smoked / would smoke / had smoked less, you didn't feel / wouldn't feel / wouldn't have felt so tired.
3. Terry never catches anything when he goes fishing. And if he catches / caught/had caught a fish, he throws / would throw it back!
4. What bad luck! If Alan didn't fall / hadn't fallen / wouldn't fall over, he won / would win / would have won the race.
5. If you lent / had lent us the money, we paid / would pay / had paid you back next week.
6. If I (win) a lot of money, I (buy) a new car.
7. When water (freeze), it (turn) into ice.
8. If I (be) you, I (follow)your mum’s advice.