Exercise 38 (§§ 289–291, Pp. 125–126)

1. Fill each blank with can or may.

1. —— I borrow your pen?

2. Yes, you ——.

3. No, you —— not.

4. I —— swim across this river some day, for I know well enough that I ——.

5. I shall ask my father if I —— swim across this river. I know well enough that I ——.

6. My father is confident that I —— swim across the river safely.

7. My father says that I —— swim across the river if I will wait until he —— go with me.

8. —— I trouble you to give me that tennis racket?

9. It —— be that you will regret this.

10. It —— not be that you will regret this.

11. —— you take a vacation this year, or is permission still refused?

12. Why not ask if you —— take a vacation?

13. You —— take your vacation after I have taken mine.

14. The weather man says we —— hope for sunshine to-morrow.

15. He —— be thankful that he escaped so easily.

16. When you are twenty-one, you —— have your own way.

2. Write sentences asking permission in the first, second, and third persons. Write sentences (1) granting these requests; (2) refusing them.