The document discusses making deductions using modal verbs like must, can't, may/might/could. It explains that deductions are guesses based on known facts, and different modal verbs indicate different levels of certainty - must is 99% sure, can't is 99% impossible, may/might/could is 50% possible. Several examples are given of using modal verbs to make deductions about photos.

1. Modals of Deduction 1

2. Modals of Deduction We are going to look at deduction You are going to practice by making Some sentences

3. Modals of Deduction Who is Sherlock Holmes? Do you know how he solved many of his cases?

4. Modals of Deduction What is deduction? http://efllecturer.blogspot.com/

5. Modals of Deduction What is deduction? Deductions = guesses based facts you know. http://efllecturer.blogspot.com/

9. He can't be a policeman. - Very sure - we think it's impossible - 99%

10. He may / might / could be famous. We think it's possible - 50%The Present

12. can't be - Very sure - We think it's impossible - 99%

13. may / might / could be - We think it's possible - 50%The Present

15. can't be - Very sure - We think it's impossible - 99%

16. may / might / could be - We think it's possible - 50%The Present

18. can't be - Very sure - We think it's impossible - 99%

19. may / might / could be - We think it's possible - 50%The Present

21. can't be - Very sure - We think it's impossible - 99%

22. may / might / could be - We think it's possible - 50%The Present

24. can't be - Very sure - We think it's impossible - 99%

25. may / might / could be - We think it's possible - 50%The Present

27. can't be - Very sure - We think it's impossible - 99%

28. may / might / could be - We think it's possible - 50%The Present

30. can't be - Very sure - We think it's impossible - 99%

31. may / might / could be - We think it's possible - 50%The Present

33. can't be - Very sure - We think it's impossible - 99%

34. may / might / could be - We think it's possible - 50%The Present

36. can't be - Very sure - We think it's impossible - 99%

37. may / might / could be - We think it's possible - 50%The Present

39. can't be - Very sure - We think it's impossible - 99%

40. may / might / could be - We think it's possible - 50%The Present

42. can't be - Very sure - We think it's impossible - 99%

43. may / might / could be - We think it's possible - 50%The Present

45. can't be - Very sure - We think it's impossible - 99%

46. may / might / could be - We think it's possible - 50%The Present