3. We get lost because we don't have a map.

If we had…………………………………………………………………………………..…………..…………………………………………

4. Mr. Mills will lose his job because he's late every day.
If Mr. Mils were……………………………………………………………………………..…………..……………………………………
5. John is fat because he eats, so many chips.
If John …………………………………………………………………………….………..…………..………………………………………….
6. I don't know the answer, so I can't tell you.
If I knew……………………………………..…………………………………………..…………..………………………………………….
7. If you don’t work hard, you will fail the exam.
® Unless…………………………………………………………………………………………………
8. Go out more often or you will fall in.
® Unless…………………………………………………………………………………………………
9. Unless he phones immediately, he won’t get any information.
® If………………………………………………………………………………………………………
10. We won’t go on holiday unless we have enough money.
® If………………………………………………………………………………………………………
11. We get lost because we don’t have a map.
→If………………………………………………………………………………..
12. I didn’t know your number, so I didn’t ring.
→If………………………………………………………………………………..
13. She didn’t know you were in hospital, so she didn’t visit you.
→If………………………………………………………………………………..
14. We didn’t visit the museum because we hadn’t time.
→If………………………………………………………………………………..
15. She works in the evening. She has no time to play with her children.
→If........................................................................................................................................
16. As she is often absent from class, she can’t keep pace with her classmates.
→.If.......................................................................................................................................
17. It’s very cold, so we can’t go swimming.
→If........................................................................................................................................
18. Make me some coffee, and I’ll give you one of my biscuits.
→.If.......................................................................................................................................
19. Ask the teacher and he will explain the lesson to you.
→.If.......................................................................................................................................
20. Work hard or you will fail the coming exams
→.If.......................................................................................................................................