=>
22. If John didn't eat so many chips, he wouldn't be fat.
23. If Elizabeth hadn't started smoking cigarettes, she wouldn't get a bad cough now.
24. If we had saved enough money, we could go on holiday.
25. If Mary had felt well, she would have joined the camping with us.
26. If there were power now, we could watch our favorite program.
27. If our neighbors were not having a party, it wouldn't be noisy.
28. If people didn't use too much herbicides and pesticides, the environment wouldn't be polluted.
29. If he had known I was in hospital, he would have visited me.
30. If Mary had paid attention to what the teacher was explaining, she would have understood the lesson.
31. If it hadn't been raining very heavily, we wouldn't have had to cancel the outdoor games.
32. If Tom hadn't lost his wallet, he would have had money to buy presents for her mother.
33. If she had not got up late yesterday morning, she would have got to work on time and she wouldn't have been punished.