19. I have shown—showed you all the styles I have.

20. Don't—doesn't it seem odd that he don't—doesn't come?

21. She don't—doesn't remember you.

22. We began—begun the work yesterday.

23. I'm afraid my foot is froze—frozen.

24. We ran—run all the way.

25. I've shook—shaken him three times, but he don't—doesn't awake.

26. The bell rang—rung just before you entered.

27. She sang—sung very well.

28. He swam—swum all yesterday morning.