Sure! Here are the conditional sentences based on the provided statements:

1. **If the power hadn't failed, I would have finished my report.** (Type 3)

2. **If I didn’t have an appointment with my dentist, I could see you this weekend.** (Type 2)

3. **If the film hadn't been so boring, I wouldn't have fallen asleep.** (Type 3)

4. **If the earthquake hadn't struck during the night, fewer people would have been killed.** (Type 3)

5. **If he were old enough, he could take part in this race.** (Type 2)

6. **If they had taken better care of him, he might not have become a criminal.** (Type 3)

7. **If Tom joined this club, he would improve his oral skills.** (Type 2)

8. **If they had checked the petrol, their car wouldn’t have broken down on the highway.** (Type 3)

9. **If my report weren’t due tomorrow, I wouldn’t have to work late tonight.** (Type 2)

10. **If he hadn't sworn at a police officer, he wouldn't have been detained at the station.** (Type 3)

Feel free to ask if you need further help!