1. to speak - spoke
2. to live - lived
3. to understand - understood
4. to fly - flew
5. to listen - listened
6. to stop - stopped
7. to go - went
8. to sleep - slept
9. to leave - left
10. to plan - planned
11. to like - liked
12. to sell - sold
1. to speak - spoke
2. to live - lived
3. to understand - understood
4. to fly - flew
5. to listen - listened
6. to stop - stopped
7. to go - went
8. to sleep - slept
9. to leave - left
10. to plan - planned
11. to like - liked
12. to sell - sold