词性转换
1.absence n. absent a.
2.add v. addition n. additional a.
3.agriculture n. agricultural a.
4.able a. enable v. disable a. 残疾的ability n.
5.amaze v. 使吃惊amazing a. amazement n.
6.advise v. advice n.
7.art n. artist n
8.act v. actor actress action activity n. active a.
actors actresses activities (pl.)
actual a. (实际的) actually ad.
9. apologize v. apology n.
10. attend v. attentive adj. attentively adv. attention n .
11. America n. American a.
12. Australia n. Australian ( n. a.)
13. Africa n. African a.
14. alive a. live v. lively a. living a. life n.
15. asleep a. sleepy a. sleep (v, n.) sleepless a.失眠的不眠的
16. allow v. allowable a. allowance n. (津贴)
17. announce v. announcement announcer n.
18. Asia n. Asian a.
19. attend v. attentive a. attention n. attentively ad.聚精会神地
20. attract v.吸引attractive a. attraction n. (区别attack 进攻)
21. achieve v. 得到achievement n. achievable a.
22. auto v. automatic a. automatically ad.
23. arrive v. arrival n.
24. appear v. disappear v. （dis）appearance n.
25. advertise v. advertisement n.
26. amuse v. amusement 娱乐n. amusing a.
27. argue v. argument n.
28. anger n. angry a. angrily ad.
29. ambition n. ambitious a.
30. (dis) agree v. agreement n.
31. arrange v. arrangement n.
32. age n. aged adj.
33. awful a. awfully adv.
34. accept v. acceptable a.可以接受的accepted a.公认的acceptance n.
35. adopt v. adoption n. adopted a. adoption n.
36. advantage n. disadvantage n.
37. agent n. agency n.
38. assist v. assistant n.
39. available a. availability n.
40. bank n. banker n.
41. begin v. beginner beginning n.
42. busy a. busily ad. business n.
43. bore v. bored boring a.
bear v. bore born
44. build v. rebuild v. builder building n.
45. break v. broken a.
46. beauty n. beautiful a. beautifully ad.
47. base n. basic a. basement n.
48. beg v. beggar n.
49. brave a. bravely ad. bravery n.
50. breathe v. breath n.
51. Britain n. British a.
52. bright a. brightly ad. brightness n.
53. buy v. buyer n.
54. believe v. believable a
55. bad a. badly ad. ( worse worst )
56. cross v. across (prep.) crossing n.
57. calculate v. calculator n. calculation n. calculating a.
58. certain a. certainly ad.
59. care (v. n.) careful a. carefully ad. carefulness n. careless a. carelessly ad. carelessness n.
60. custom n. customer n.
61. culture n. cultural a.
62. choose v. choice n.
63. cook (n. v.) cooker n. (炉灶) cooking n.
64. chemistry n. chemical (n. a.) chemist n
65. Canada n. Canadian a.
66. cycle v. cyclist n. recycle v.
67. crowd (n. v.) crowded a.
68. celebrate v. celebration n.
69. change (n. v.) changeable a.
70. colo(u)r n. colo(u)rful a. colo(u)rless a.
71. collect v. collection n.
72. correct (v. a.) correctly ad. (un)corrected a.（未）改正过的incorrect a. (不正确的)
73. cloud a. cloudy ad.
74. comfortable a. ( un)comfortable a. comfortably ad.
75. complete (a. v.) incomplete a. ( 不完整的)
completely ad. uncompleted a, (未完成的)
76. convenient a. inconvenient a. convenience n. conveniently ad.
77. craze n. crazy a. crazily ad.
78. create v. creation n. creative a. creator n. recreate v.再创
79. congratulate v. congratulation n.
80. cover (n. v.) covering n.(覆盖物) coverage n.（覆盖率）
recover v. 恢复康复discover v. discovery n.
81. consume v. consumer n. (消费者)
82. complain v. complaint n. 抱怨
83. count v. (un) countable a. countless a. (数不尽的)
84. child n. children n. childhood n.
85. cheer v. cheerful cheerless a. (惨淡的) cheerfully ad.
86. city n. citizen n.
87. compete v. competition n.
