1. He doesn’t get a job, so he can’t pay his bills. → If he got a job, he could pay his bills.

Had he gotten a job, he could have paid his bills.

1. She isn’t fit because she sits around too much. → If she didn’t sit around too much, she would be fit.

Were she not to sit around too much, she would be fit.

1. The fire brigade came immediately, so the house didn’t burn down. → If the fire brigade hadn’t come immediately, the house didn’t burn down.

Had the fire brigade not come immediately, the house would have burned down.

1. Sue walked to work in the rain and caught a cold. → If she hadn’t walked to work in the rain, she wouldn’t have caught a cold.

Had she not walked to work in the rain, she wouldn’t have caught a cold.

1. I was sick yesterday, so I didn’t go to class. → If I hadn’t been sick, I would have gone to class.

Had I not been sick, I would have gone to class.

1. Because Alan never eats breakfast, he always overeats at lunch.

Were Alan to eat breakfast, he wouldn’t always overeat at lunch.

1. Peter didn’t finish unloading the truck because John didn’t help him.

Had John helped Peter, Peter would have finished unloading the truck.

1. Concentrate on your lesson or you won’t be able to understand it.