1. When Carol has just passed her driving test, she will be able to hire a car from Jane.
2. When the fog lifts we will be able to see where we are.
3. You've put too much in your suitcase, you will never be able to carry it.
4. Can you use the word processor?
5. He could skate all day and dance all night.
6. We were able to borrow umbrellas from the Smiths, so we didn't get wet.
7. I knew London so I was able to advise Betty what to see.
8. If you had had the right tools, you could have repaired the fence.
9. Can I speak to Mr White, please?
10. If I knew Greek I could tell you what this means.