Part 1. Underline the correct modal verbs used in the following sentences:
1.(Can, Could, May) I bring a friend to the party? (formal)
2.(Can, Could, May) I have another piece of cake, Sir?
3. You _ (had to, could, must) pass your examination tomorrow so you can get promoted.
4. Linda (had to, could, must) buy a ticket to ride a bus yesterday.
5. You _(mustn't, can't, couldn't) bring your dog inside the mall.
6. (Can, Could, May) I wear shorts?
7. You (can, could, may) sleep on the sofa if you are sleepy. (formal)
8. You (have to, could, must) bring your ID to enter.
9. Oh no! I am late! (have to, could, must) hurry!
10. (Can, Could, May) I know your name, Miss?
11. Baggage (must, could, has) not be left unattended.
12. All ( must, could not, has to study for tomorrow so he can't come.
13. You (must, can, have to use my bicycle if you like.
14. What does the sign say? Oh, we (may not, have not, can't) park here
15. I could, can, may) do two things at a time.​