Exercise 1: Rewrite these sentences with “If ……”:
1. She didn’t get up early so she was late for the meeting.
2. I lost the way to come back the hotel because I hadn’t got the map of this city.
3. Because of the heavy rain, we came to the class late.
4. She felt so tired and she couldn’t go to the cinema with us.
5. My father went to work yesterday so he didn’t know what happened to me.
6. The teacher’s question was so difficult that I couldn’t answer.
7. He missed the first bus because he didn’t start earlier.
8. She failed the final exam because she didn’t learn hard.
9. Because you don’t stop immediately, I call your teacher.
10. I couldn’t phone Alice because I didn’t know her telephone number.
11. I don’t know your decision so I can’t tell them.
12. The weather is so hot that we can’t go out.
13. She came late and she couldn’t meet him.
14. Without the sun, man would live in the darkness.
15. Smoking makes him so weak