6. She can't be employed because she doesn't have a college degree.
--> If she had a college degree, she could be employed.
7. She walked to the meeting. She was late.
--> If she hadn't walked to the meeting, she would have been late.
8. Unless you promise to retum back, I won't lend you.
--> If you don't promise to return back, I won't lend you.
9. He put off our trip because the weather was terrible.
--> If the weather hadn't been terrible, he wouldn't have put off our trip.
10. Sally doesn't know what she has to do for homework because she was absent from school on Friday.
--> If Sally hadn't been asbsent from school on Friday, she would known what she has to do for homework.