5 Revise the rule on page 10 (spelling -ing) and write the -ing form of the verbs. to rebel - rebelling 1. to try - trying 2. to slice Slicing 3. to knit Knitting 4. to sew Sewing 5. to tie - tying 6. to travel traveling 7. to open opening 8. to lay laging 9. to choose Choosing 10. to snorkel Snorkelling 11. to study - Studying 12. to hang 13. to stay 14. to drive - driving 15. to lie 16. to tip 17. to fix 18. to sail 19. to take 20. to see 21. to die 22. to write 23. to sit