1.He smokes too much, that's why he can't get rid of his cough.

=>If.............................................

2.She is very shy, so she doesn't enjoy the party.

=>If...................................................

3.I will get a work permit. Iwill stay for another month.

=>If.............................................

4.He doesn't take any exercise. He is so unhealthy.

=>If......................................................

5.We can't get the ticket because i don't have the right change.

=>If........................................................

6.Study hard or you won't pass the exam.

=>If......................................................

7.Don't be impatient or you will make mistakes.

=>If...............................................

8.you should apologize for the misunderstanding to her.

=>If i were............................................................

9.Unless you change your mind,the company won't refund the money.

=>If............................................................................
10.Tom isn't in my place, so he doesn't understand.

=>If...............................................................