Rewrite the following sentences 1.He works hard and he will pass the exam -> If he 2.He didn't pass the exam because he didn't work hard -> If 3. We can avoid waiting by booking the tickets in advance -> If 4.She didn't hurry, so she missed the train ->Were 5.They wanted to buy the house, but they hadn't have enough money -> If 6.We must go now or we'll be late ->If 7.He was planning to go to the teacher training college but his father died -> If 8.They didn't follow the map,so they got lost ->If 9.I'm having a lot of troubles now because I lost my passport last week ->If 10.If you don't watch the programme,you can't really guide ->Unless

1.He works hard and he will pass the exam

-> If he works hard,  he will pass the exam

2.He didn't pass the exam because he didn't work hard

-> If he had worked hard, he would have passed the exam 

3. We can avoid waiting by booking the tickets in advance

-> If we book the tickets in advance, we can avoid waiting 

4.She didn't hurry, so she missed the train

->Were she to hurry, she wouldn't miss the train

5.They wanted to buy the house, but they hadn't have enough money

-> If they had had enough money, they would have bought the house

6.We must go now or we'll be late

->If we don't go now,  we'll be late

7.He was planning to go to the teacher training college but his father died

-> If his father hadn't died, he would have gone  to the teacher training college

8.They didn't follow the map,so they got lost

->If they had followed the map, they wouldn't have got lost

9.I'm having a lot of troubles now because I lost my passport last week

->If I hadn't lost my passport last week, I wouldn't have a lot of trouble now

10.If you don't watch the programme,you can't really guide

->Unless you  watch the programme,you can't really guide