English language. Homework.

1. able - unable
2. accurate - inaccurate
3. active - inactive
4. agree -disagree
5. button - unbutton
6. comfortable - uncomfortable
7. convinient - inconvinient
8. credible - incredible
9. direct - indirect
10. experienced - inexperienced
11. fair - unfair
12. fold - unfold
13. formal - informal
14. fortunate - unfortunate
15. hear - mishear
16. like -dislike (unlike)
17. necessary - unnecessary
18. pack - unpack
19. patient - impatient
20.pleasant - unpleasant
21. possible - impossible
22. pronounce - mispronounce
23. spell - misspell
24. tolerant - intolerant
25. usual - unusual
26.willing - unwilling
27. just - unjust
28. kind - unkind
29. satisfactory - unsatisfactory
30. appropriate - inappropriate
31. sincere - insincere
32. legible - illegible
33. legal - illegal
34. literate - illiterate
35. regular -irregular
36. relevant - irrelevant
37. responsible -irresponsible
38. mature - immature
39. probable - improbable
40. moral - immoral
41. screw - unscrew
42. do - undo
43. tie - untie
44. appear -disappear
45. quality-unquality
46. understand - misunderstand
47. read - misread