1. You aren't allowed to climb without a safety rope.
2. If Nigel had satellite TV, he could watch the game.
3. You shouldn't walk home alone.
4. Martin asked Susan if someone had rung her an hour before.
5. If you throw a stone into water, it sinks.
6. Unless you have a reservation, you can't travel on this train.
7. Sue said if she were you, she would not take the job.
8. It was such an easy the exam question that we all got it right.
9. Despite his inexperience, he got the job.
10. If you had finished your homework, you could have come with them.