ZERO
We need food to survive.
If we don't eat, we die.
I want to buy a new car. So, I need to save enough money.
If I save enough money, I will buy a new car.
I don't play basketball because I'm short.
If I were taller, I would play basketball.
They decided not to follow the GPS route and missed the plane!
If they had followed the GPS route, they wouldn't have missed the plane.
I need a good night's sleep to be able to work.
If I don't get a good night's sleep, I can't work.
The train is about to leave. She needs to hurry.
If she doesn't hurry, she'll miss the train!
My job is hard because I don't have an assistant.
If I had an assistant, my job would be easier.
I almost married a guy who was going to move to Italy.
If I had married that guy, I would have moved to Italy.
Dry weather makes my nose bleed.
My nose bleeds if the weather is dry.
We are thinking of going to the beach, but the weather needs to get hotter.
If the weather gets hotter, we might go to the beach.
He doesn't speak another language, that's why he has few opportunities.
If he spoke another language, he would have more opportunities.
Doing business with you was the worst idea ever!
If I had known better, I wouldn't have done business with you!