If I study, I will pass the exam.
I would do something else if I were you.
If you were here, I would help you.
The teacher would continue the lesson if they were quiet.
If I went home, I would immediately go to bed.
You'll be sick unless you stop eating crackers.
Unless you study this subject, you will never understand its secrets.
I wouldn't be mad on you off unless you weren't mad on me.
Unless she sleeps, everything will be OK.
I will stop cooking unless you eat.
