1. The trains all would stopped if it snowed heavily.
2. if you went out in cold weather without a coat you would catch a cold.
3.if i saw a cheap second-hand car, i would buy it.
4. if you ate well and exercised regularly you would live to be 100 years old.
5. you would have a stomach ache if you ate too much of that cake.
6. if it rains this afternoon i will take my umbrella.
7. If you did not drive carefully you (have) would have an accident.
8. If you study for a higher qualification you will get a better job next year.
9.If you (srndy) ??? send her an email she will answer it.