1. I have to get a raise or I'll look for another job.
=> If I..............................................
2. She has to apologize to me or I won't forgive her.
=> If she.........................................
3. You won't pass the exam if you don't study harder.
=> Unless.......................................
4. He doesn't drive carefully, so his mother worries very much.
=> His mother..............................
5. I had to take an English course in the evening. ( make question )
=> ..................................................
