Insert the modal verbs may or can into each gap

27) The engines don’t seem to be working properly. There … be some ice in them.

28) Planes flying in cold countries in winter … have problems because of ice on the wings.

29) Both engines have failed. I’ll try to find a place to land. We haven’t much chance of surviving, but we … be lucky.

30) The engines were not working properly. The pilot said he thought there … be some ice on the wings.

31) He said there wasn’t much chance of surviving, but we … be lucky.

32) He told me that planes flying in cold countries in winter … have problems because of ice on the wings.

6. Make up remarks using the modal verb may in the right form which express a reproach.

33) to a friend who forgot to have the prescription made up on the way home.

34) to a friend who didn’t warn you about a change in the time-table.

35) to a friend who didn’t come to see you when you were ill.

36) to a friend who promised to buy you some oranges at the market.

37) to a person who is not polite to the aged.

38) to a person who interferes in your affairs.

7. Change the following responses using the modal verb may/might to express supposition implying uncertainty.

39) Have you found the registration form?

40) Why didn’t Jane come? She did promise to turn up, didn’t she? ~ Possibly she went to a dentist to have her bad tooth filled.

41) You do look thin and pale why? ~ Perhaps, I have been keeping to a strict diet of salads and very little meat too long.

42) Why did that patient ask the dentist to pull out his bad tooth? ~ Maybe his pain has been bothering him too long.

Unit 4