If I had enough money, I would buy it
I would have bought it if I had had enough money
If I had known there was a test yesterday, I would have studied for it
I could help you if I weren't busy now
If he weren't thin, he wouldn't feel the cold so much
If I had eaten breakfast several hours ago, I wouldn't be hungry
Unless John had played for our football team, we would have lost the game
Unless I won a big prize in a lottery, I wouldn't give up my job
Unless you like this one, I will bring you another
Unless you promise to try harder, I will not help you
She will lose her job unless she works harder
Provided that you keep my care carefully, you can use it
Get the work finished by lunch, and you can go home
As long as you keep calm, you will pass your driving test
You won't pass the exam unless you work harder
I'll never speak to her again unless you work harder
I wouldn't have got wet if I had had an umbrella with me
Unless you leave me alone, I will call the police
If the weather is snowy, we don't go to school
If Jack hadn't help me, I wouldn't have been able to move the table
