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5、名词/形容词动词
(1)加后缀-en
strength->strengthen ;length->lengthen ;height->heighten
soft->soften ;wide ->widen ;weak->weaken
less->lessen ;short->shorten ;broad->broaden
quick->quicken
(2)加前缀en-
able->enable ;lar ge->enlarge ;rich->enrich
courage->encourage ;danger->endanger ;compass->encompass
6、动词/名词表示人的名词
(1)结尾加er/r表示“从事某种职业的人,某地区,地方的人
例:sing->singer ;teach->teacher ;strange->stranger
village->villager ;buy->buyer ;bank->banker
observe->observer ;drive->driver ;write->writer
travel->traveler
(2)结尾加or表示“...者”
act->actor ;invent->inventor ;educate->educator
visit->visitor ;conduct->conductor ;operate->operator
(3)结尾加ee表示“动作承受者”
例:emplay->employee ;interview->interviewee ;examine->examinee
(4)结尾加(r)ess表示“女性人称名词”
例:act->actress ;wait->waitress ;host->hostess
steward->stewardess ;god->goddess
(5)结尾加nese表示”…国人,.……的人”
例:Jonpa->Japanese ;Vietnom->Vietnamese ;China->Chinese
Bruma->Brumese ;Cantonese
(6)结尾加n表示“某地区、地方的人”
例:Asia->Asian ;America->Amenican ;Australia->Australian
India->Indian ;Korea->Korean
(7)结尾(去y或s)+ion表示“...地方的人,精通…的人”
例:electric->electrician ;magic->magician ;music->musician
politic->politician ;history->historian ;library->librarian
(8)结尾加ist表示“从事研究者,信仰..主义者”
例:art->artist ;novel->novelist ;tour->tourist
cycle->cyclist ;science->scientist
(9)结尾加ant表示“…人”
例:assist->assistant ;account->accountant ;consult->consultant
注意:apply->applicant ;serve->servant
(10)结尾加ar/ary表示“……的人,从事……的人”
例:school->schoolar ;lie->liar ;beg->begger
secret->secretary
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