Spelling Lesson #14 (past tense formed with -ed and -ing) Keep this list at home to study. Students should use these 20 words to complete the weekly spelling activity. 1. pinned 2. pinning 3. wagged 4. wagging 5. begged 6. begging 7. stopped 8. stopping 9. skipped 10. skipping 11. planned 12. planning 13. tagged 14. tagging 15. tipped 16. tipping 17. slammed 18. slamming 19. stirred 20. stirring