Answer:
1)
1. dancing - 2. sitting - 3. playing - 4. lying - 5. cutting - 6. flying - 7. living - 8. jumping - 9. dying - 10. having - 11. studying - 12. Winning - 13. Helping - 14. Paying - 15. Drying - 16. Hitting - 17. Kissing - 18. Taking
2)
1. helping - 2. it’s - 3. he’s - 4. dancing - 5. is not - 6. aren’t - 7. she - 8. studying - 9. are sitting - 10. are
3)
1. aren’t - 2. Isn’t - 3. Isn’t - 4. Am not - 5. Aren’t - 6. Isn’t - 7. Isn’t - 8. Aren’t - 9. Aren’t - 10. Aren’t - 11. Isn’t - 12. Aren’t - 13. Am not - 14. Isn’t
4) see picture attached.