1 If Mary goes ..., I will tell...
2 If he had listened ...,he wouldn't have lost ...
3 If I were you....,I would buy...
4 If it was sunny ...,we would go...
5 She will pass if she studies.
6 If you don't feed ,I will do it....
7 If you had hurried, we wouldn't have missed it.
8 They will write ...,if the teacher comes.
9 Sam will drink ...., if he feels..
10 If my friends invite me...., I will go.