Rewrite the following sentences, using UNLESS instead of IF … NOT 12. I will give you a present if you get good marks ___________________________________________________________________ 13. Our gardener won´t cut the grass if it rains tomorrow. ___________________________________________________________________ 14. If we don´t do the homework, our teacher will be pleased. ___________________________________________________________________ 15. Unless you hurry, you won´t arrive on time. ___________________________________________________________________ 16. Unless it rains, we will go camping. ___________________________________________________________________ 17. If their friends don´t have a spare room, they will stay in a hotel. ___________________________________________________________________ 18. I will forget to post the letter if you don´t remind me ___________________________________________________________________ 19. If you don´t exercise, you will get fat. ___________________________________________________________________ 20. Unless she books the tickets, she won´t go to the concert. ___________________________________________________________________ 21. If she doesn´t apologize, I will never speak to her again. ___________________________________________________________________ 22. I will call the police if they don´t stop fighting. _________________________________________________________________