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1、常见的词性转换：1. pollute (v.)-pollution (u. n.)2. enter (v.) - entrance (c. n.)3. relate (v.)-relative (c. n.)4. decide (v.)- decision (c. n.)5. discuss (v.)- discussion (c. n.)6. happy (a.)happily (adv.)- happiness (u. n.)7. interview (v.)- interview (c. n.)(注意：interviewing, 般情况下“w, x, y, z”不双写)8. help (
2、v.)- help (u. n)- helpful (a.)- helpless (a.) 没有帮助的9. one (a.)-one (n.)- once (adv.)- first (a./ adv.)(注意:one做可数名词使用时，指代 前面提过的可数名词单数, ones 指代复数。)10. meet (v.)- meeting (c. n.) 会议11. welcome (v.)- welcome (c.n)12. library (c.n.) - librarian (c. n.) 图书管理员13. use (v.)- reuse (v.)-useful (a.) 一 usefully
3、 (adv.)- use (u. n)用途14. cost (v.)- cost (n.) 费用(注意： cost- cost- cost)15. person (c.n.)- people (pl. n.)- personal (a.) 个人的,私人的16. secret (c. n.) -secretary (c. n.)(注意：辅音 +y 结尾,需把 “y” 改为 “-ies” ：secretaries)17. assist (v.) 一 assistant (c. n.) 18. active (a.)- activity (n.)(注意：辅音+y结尾，需把 “y” 改为 “-ies”
4、 ： activities)19. luck (u. n)- lucky (a.)- luckily (adv.)20. visit(vj-visit(c. n.)-visitor (n.)(注意：“参观者”是or结尾的，visiting 不要双写)21. talk (v.) - talk (c. n.)22. drive (v.)- driver (c.n.)23. teach (v.) - teacher (c.n)(注意:teach sb. sth.必须使用宾格代词 e.g: teach usmaths)24. cook (v.)- cook (c.n.) 厨师(注意：cooker 是厨
5、具)25. promise (v.)- promise (c. n.)26. lie (v. )- lie (c. n) - liar (c. n) 撒谎者27. poem (n.) -poet (n.) 诗人28. plan (v.) - plan (c. n.)(注意: planning)29. play (v.)- play (c. n.) 戏剧 - player (n.)30. anger (n.) - angry (a.)- angrily (adv.)31. hard (a.)- hard (adv.)刻苦努力地(注意:千万不要写成hardly (adv.)几乎不)32. kind
6、 (c. n. ) - kind (a.)- kindness (u.n.) 善良33. cycle (v. )- cycling (n.)-cyclist (c. n.) 骑自行车的人34. shop (v.) - shop (c. n.)- shopping (u.n)35. travel (v.) - travelling (u. n.)36. friend (c. n. ) - friendly (a.)- friendship (u. n) 友谊37. week (c. n.) -weekend (c. n) 在周末 (注意： at weekends / at the weekend
7、)38. sand (u. n.) - sandy (a.)39. star (c. n.) - starry (a.)40. sun (c. nJ- sunny (a.)41. cloud (c. n.)- cloudy (a.)42. wind (c. n.) - windy (a.)43. rain (u. n. )rainy (a.)44. different (a.) differently (adv.)- difference (u.n.) 区别，不同之处45. two (a.)- twice (adv.)- second (n. / a. / adv.)46. three (a.
8、)- third (adv. / a.)- three times47. nine (a.) - ninth (a./ adv.)(注意： 与九有关的单词，只有 “第九” 不含有字母“e”)48. five (a.)-fifth (a./adv.)(注意:-ve必须改变成-fth变成序数词)49. twelve (a.)- twelfth (a. /adv.)50. twenty (a.) - twentieth (a./ adv.)(注意：-y 必须改变成-ieth 变成序数词)51. work (v.)- work (u. n.)- worker (n.)52. invite (v.)-
9、invitation (c.n)53. arrive (v.)- arrival (n.) 到达54. advertise (v.)- advertisement (c. n)55. house (c. n.) - housing (u. n.)56. swim (v./ c. n. )- swimming (u. n.)- swimmer (c. n.)57. quiet (a.) - quietly (adv.)58. eat (v. )- eating (u. n.)59. cross (v.)- across (prep.)60. final (a.) - finally (adv.)
10、61. wait (v.) -waiter (c.n.) waitress (c.n.)62. act (v.) 一 actress (c.n.) 一 actor (c.n.)63. late (a.) -late (adv.)(注意：不要使用lately, “lately”表示“最近：与现在完成时连用)64. far (a.)- far (adv.)(注意：比较级farther-最高级 farthest)65. fry (v.)- fried (a.)66. bake (v.)- baked (a.)- baker (c. n.)面包师bakery (c. n.)面包房67. freeze
11、(v.)- frozen (a.)-freezing (a.) =cold 寒冷的68. salt (u.n. )salty (a.)69. sweet (c. n.) - sweet (a.)70. spice (u.n.) 香料一spicy (a.)71. taste (v. / n.)- tasty (a.)72. drink (v.)- drink (n.)-soft drinks73. prepare (v.)- preparation (n.) 准备74. choose (v.)- choice (c. n.) 选择75. fun (u. n.)funny (a.)(注意： wha
12、t fun, how funny)76. health (u.n. )- healthy (a.)- healthily (adv.)77. steam (v.)- steamed (a.)78. boil (v.)- boiled (a.)79. barbecue (v.)- barbecued (a.)80. run (v. / n. )- runner (c. n.)81. mean (v.)- meaning (u. n.)82. exit (vj- exit (c.n.)83. favourite (a.)- favourite (c. n.)特别喜爱的人或物名词变复数形式1. to
13、oth (c.n.) - teeth (pl. n.)2. policeman ( c.n.) -policemen (pl. n.)3. postman (c.n.)- postmen (pl. n.)4. fireman (c.n.)- firemen (pl.n.)5. actress (c. n.) - actresses (pl.n.)6. woman driver- women drivers7. bus driver- bus drivers反义词：1. lucky (a.)- unlucky (a.)2. luckily (a.)- unluckily (adv.)3. far
14、 away from - near (prep.)4. happy (a.) - unhappy (a.)5. ever (adv.)- never (adv. )6. always (adv.)- never (adv.)7. healthy (a.) - unhealthy (adv.)8. noisy (a.)- quiet (a.)9. keep (v.)- break (v.)lO.obey(V.)- disobey (v.)11. good (a.)- bad (adv.)12. well (a.) - sick (a.)13. above (prep.) - below (prep.)般不要改变成从肯定变否定句/ 疑问句时常见的转换词：1. some (a. ) - any (a. ) (一般疑问句中， 如果含有情态动词， some any)2. someone (pron.)- anyone (pron.)3. something (pron.)- anything (pron.)4. already (adv.)- yet (adv.)5. a lot of / lots of- many / much6too - either
