1 If he didn't have to study for his exam, he could go out
2 If she weren't lazy, she could pass the exam
3 If he didn't smoke too much, he could get rid of his cough
4 If I hadn't felt tired, I could play football this afternoon
5 If Oiga and Ivan had been paying attention, they would have seen the sign marking their exit....highway
6 If she had a college degree, she could be employed
7 If she hadn't walked to the meeting, she wouldn't have been late