Some suggested answers to the sentences about McKinley, using modal auxiliaries and phrases:
"probability" (is
it true?)
1. I'm not sure, but the Preventive Medicine Department
may / might / could be closed on Saturdays.
2. You can walk to McKinley from FLB.
3. If you write your appointments down in your calendar,
you shouldn't / won't forget about them.
4. Sophia must not want to go. She keeps making
excuses.
5. It can't / must not be dangerous to have a
TB test, or the university wouldn't require it.
6. Some classes must be going to go to McKinley next
week.
7. You should have received information about
this in the packet your received before you came here.
8. Karen has been a U of I student for 2 years, so she
must / has to have turned her medical history forms in
to McKinley.
9. Carlos didn't, so he wasn't able to register for classes
this semester .
10. He couldn't / wasn't able to find his form
when he looked through his papers.
11. Some IEI students could have gone yesterday.
12. Section 3B went to McKinley last week. They may
/ might / could have gone Tuesday, or they may / might
/ could have gone Wednesday.
13. They can't / couldn't have gone Sunday, because
McKinley isn't open then.
"advisability"
(is it good?)
14. All students must / have to provide evidence
of immunity to certain diseases.
15. Students aren't able to / can't register for
UI classes unless they've met these requirements.
16. You can/could walk to McKinley from FLB if you want, or you can/could take a bus.
17. You should /ought to / have to / must take
your ID card with you when you go to McKinley.
18. Jane had better go to McKinley, or she
won't be able to register.
19. Carlos was supposed to go / should have gone to
McKinley last semester, but he didn't.
20. He ought to have kept his form in a safe place.
21. Eventually, he had to ask his doctor to send
him another copy.
22. He could have gone with his class, but he didn't.
"politeness" or "conditional"
23. If you would like to go to McKinley with some
other students, we can arrange something.
24. But, if you would prefer to / would rather go
by yourself, that's OK, too.
25. Your teachers would be happy to go with you,
though.
26. Would you like to go
tomorrow?
27. Would you mind going
with me / if I went with you?
future
28. When you go to McKinley, a nurse will check your
ID card and the forms you have brought.
29. Section 5B is going to go (/ is going) to
McKinley tomorrow at 4.
30. Section 4A's teacher is taking a VCR to class. They
must be going to watch a video.
passive
31. This form must/has to be filled out by a doctor.
32. The immunization card should be kept in your
wallet.
33. McKinley looks like a pretty old building. It must
have been built a long time ago.
progressive
34. When you get to McKinley, other students may/might
be waiting in line to talk to the nurse.
35. When I called McKinley yesterday afternoon, the line
was busy. The nurse must have been talking to someone.
negative
36. International students don't have to pay to
have the TB test done at McKinley.
37. But they mustn't forget to take care of these
requirements.
two modal ideas
38. When you get to McKinley, you will / may have
to wait in line to talk to a nurse.
39. If you don't take care of this, you won't be able
to register for another semester in the IEI.
40. Kenji didn't go with his class last week. He must
have had to go somewhere else then.
41. If you go to McKinley now, you will be able to
find it if you ever need to go there again.
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Ann Salzmann
Intensive English Institute
University of Illinois