Irregular verbs

1. The girl freezes to death in her light summer dress.
2. A wasp stings me in the arm.
3. The nun kneels on the ground.
4. The criminal hangs himself.
5. She never shrinks from any risk.
6. They lie under a tree.
7. He flies from London to Boston.
8. The ship sinks before our eyes.
9. That sign means danger!
10. The butler winds up all the clocks.
11. The convict swims across the river.
12. The monkey swings down from a branch.
13. The picture hangs on the wall.
14. The coat costs ninety pounds.
15. The man spits on the floor.