初中英语：2026新教材九年级词形转换

初中英语：2026新教材九年级词形转换一、动词→名词（最常考）-tion/-sion（注意拼写）invent→invention发明produce→production生产create→creation创造operate→operation操作/手术pronounce→pronunciation发音（去e，易错）discuss→discussion（双写s）decide→decision（去e变cison，易错）conclude→conclusion总结suggest→suggestion（去t，易错）pollute→pollution；protect→protection；introduce→introduction-mentdevelop→development（去e）achieve→achievement（去e）improve→improvement；agree→agreementargue→argument（双写t，易错）-er/-or（表人/工具）manage→manager经理teach→teacher；work→worker；drive→drivervisit→visitor；act→actor；direct→directorinvent→inventor；compose→composer（音乐）support→supporter-ance/-enceperform→performance表演appear→appearance；differ→difference；confident→confidencerecognize→recognition；react→reaction特殊/无规律（必须死记）die→death；succeed→success；choose→choicespeak→speech；weigh→weight；explain→explanationadvise→advice；serve→service；please→pleasurememorize→memory（不是memorization，九上记忆单元常考）二、名词→形容词-y（天气/物质/抽象）sun→sunny,rain→rainy,wind→windy,cloud→cloudy,snow→snowy,fog→foggyhealth→healthy,luck→lucky,noise→noisy,sleep→sleepy,taste→tastysand→sandy,salt→salty,mess→messy,mud→muddy-ful/-less（肯定/否定）care→careful/careless；use→useful/useless；help→helpful/helplesssuccess→successful；meaning→meaningful/meaningless；harm→harmful/harmlesspeace→peaceful；beauty→beautiful；wonder→wonderful-al/-ialnature→natural；person→personal；nation→national；tradition→traditionaleducation→educational；medicine→medical；music→musicalenvironment→environmental-able/-iblevalue→valuable；enjoy→enjoyable；suit→suitable；comfort→comfortablechange→changeable；believe→believable；available-ous/-iousdanger→dangerous；humor→humorouscourage→courageous；mystery→mysterious；harmony→harmoniousscience→scientific（特殊）-iveeffect→effective；expense→expensive；create→creative；attract→attractiveresponsible→responsibility是反方向（形→名，去ible变ility，易错）特殊pride→proud；memory→memorize（动）；dead←die/deathheight→high；truth→true；wealth→wealthywisdom←wise；kindness←kind；happiness←happy三、形容词→副词（大多加-ly，注意变体）quick→quickly；careful→carefully；successful→successfullyhappy→happily（y变i）；easy→easily；heavy→heavilytrue→truly（去e特殊）；whole→wholly；full→fullygreat→greatly；wide→widely；rapid→rapidly；complete→completelycomfortable→comfortably；possible→possibly；necessary→necessarilygood/well→better→best（不规则副词/形容词同源）四、动词→形容词（-ing/-ed分词形容词，常考“物/人”）inspire→inspiring（令人鼓舞）/inspired（受鼓舞）interest→interesting/interested；surprise→surprising/surprisedencourage→encouraging/encouraged；impress→impressive/impressedworry→worrying/worried；excite→exciting/exciteddevelop→developed/developing（发达/发展中）break→broken；wound→wounded；create→creative（非分词但常混）五、反义前缀/否定（构词法常考）un-：happy→unhappy；usual→unusual；convenient→inconvenientdis-：like→dislike；appear→disappear；honest→dishonestim-：possible→impossi