Here are some exercises on Auxiliary verbs
Insert the correct form of may/might except in 10 and 36, where a be allowed form is necessary.
1 It – . . rain, you’d better take a coat.
2 He said that it . . . rain.
3 We . . . as well stay here till the weather improves.
4 . . . I borrow your umbrella?
5 You . . . tell me! (I think I have a right to know.)
6 Candidates . . . not bring textbooks into the examination room.
7 People convicted of an offence . . . (have a right to) appeal.
8 If he knew our address he . . . come and see us.
9 . . . I come in? ~ Please do.
10 When he was a child he . . . (they let him) do exactly as he liked.
11 I think I left my glasses in your office. You . . . ask your secretary to look for them for me. (request)
12 He . . . be my brother (I admit that he is) but I don’t trust him.
13 I . . . never see you again.
14 He… be on the next train. We . . . as well wait.
15 If we got there early we . . . get a good seat.
16 The police . . . (have a right to) ask a driver to take a breath test.
17 You ought to buy now; prices . . . go up.
18 I’ll wait a week so that he . . . have time to think it over.
19 He isn’t going to eat it; 1… as well give it to the dog.
20 You . . . at least read the letter. (/ think you should.)
21 You . . . have written, (I am annoyed/disappointed that you didn ‘t.)
22 We’d better be early; there . . . be a crowd.
23 Nobody knows how people first came to these islands. They . . . have sailed from South America on rafts.
24 You . . . (have permission to) use my office.
25 He said that we . . . use his office whenever we liked.
26 I don’t think I’ll succeed but I . . . as well try.
27 You ought to go to his lectures, you . . . learn something.
28 If we can give him a blood transfusion we . . . be able to save his life.
29 Two parallel white lines in the middle of the road mean that you . . . not overtake.
30 If I bought a lottery ticket I . . . win Ј1,000.
31 If you said that, he . . . be very offended.
32 I wonder why they didn’t go. ~
The weather . . . have been too bad.
33 Warning: No part of this book . . . be reproduced without the publisher’s permission.
34 He has refused, but he . . . change his mind if you asked him again.
35 . . . I see your passport, please?
36 He . . . (negative) drive since his accident. (They haven’t let him drive.)