1. If I had a dictionary, I wouldn't learn reading badly.
2. If his students didn't make noise in class, the teacher wouldn't get angry.
3. If Dorothy weren't lazy, he wouldn't get bad marks for all subjects.
4. If today were Sunday, the pupils could go swimming.
5. If he had been here, he would have had a lot of fun.
6. If he had had time, he would have read this novel.
7. If she hadn't been late, she wouldn't have missed the bus.
8. If Peter studied hard, he could get good marks.
9. If my sister didn't have a terrible headache, she wouldn't be absent from her class.
10. If windy had come, we wouldn't have cancelled the meeting.