A. Add third-person singular verb endings to the verbs (-s, -es, or -ies).

1. teaches, 2. flies, 3. runs, 4. pushes, 5. fixes, 6. does, 7. dances, 8. goes, 9. buzzes, 10. watches, 11. sits, 12. guesses, 13. stops, 14. worries, 15. finishes, 16. has