11. If we don´t leave now, we will miss the train. ____________________________________________________________________ 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. _______________________________________________________________________