There is one mistake (1−2 words) in each sentence. Circle the mistake and correct.

1 What Jack will do if he doesn’t pass his exams?
2 If Helen will become a pilot, she will travel a lot.
3 Your boss will be surprised if you won’t do well in the company test.
4 If Mandy studies hard at university, she will gets a good degree.
5 Jan won’t call the hotel receptionist if she didn’t need anything.