初中英语重点词汇词形转换

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1、初中英语重点词汇词形转换一、数词的变换基数词序数词表次数1.onefirstonce2.twosecondtwice3.threethird4.fivefifth5.eighteighth6.nineninth7.twelvetwelfth8.twentytwentieth二、名词的变化1.以f或fe结尾的,把f或fe变为v,再加-es，如knife-knivesthief-thieveswolf-wolveswife-wivesleaf-leaveslife-lives2.不规则名词复数man-menwoman-

2、womenchild-childrenfoot-feettooth-teethmouse-micegoose-geese3.单复数同形：Chinese,Japanese,deer-deer,sheep-sheep三、形容词比较级和最高级1.不规则原级比较级最高级good/wellbetterbestbad/badly/illworseworstmany/muchmoremostlittlelessleastfarfarther/furtherfarthest/furthest2.多音节规则原级比较级最高级1.bea

3、utifulmorebeautifulmostbeautiful2.boringmoreboringmostboring3.carefulmorecarefulmostcareful4.carelessmorecarelessmostcareless5.crowdedmorecrowdedmostcrowded6.comfortablemorecomfortablemostcomfortable7.difficultmoredifficultmostdifficult8.dangerousmoredangerous

4、mostdangerous9.expensivemoreexpensivemostexpensive10.excitingmoreexcitingmostexciting11.loudlymoreloudlymostloudly12.popularmorepopularmostpopular13.relaxingmorerelaxingmostrelaxing14.slowlymoreslowlymostslowly3.双写规则原级比较级最高级1.bigbiggerbiggest2.hothotterhottest

5、3.thinthinnerthinest四、词形转换1.国家变为形容词或国人的转换Australia-AustralianAfrica-AfricanAmerica-AmericanAsia-AsianCanada-CanadianChina-ChineseEngland-English/EnglishmanEurope-EuropeanFrance-French/FrenchmanIndia-IndianItaly-ItalianJapan-JaneseMexico-MexicanRussia-Russian(复

6、数变化规则：中日不变，英法变，其余加s)2.动词转换成其他词性act-actor-actress-actionagree–agreementnbuild-building-buildings(复数)begin–beginningbreak-broken(过去分词为形容词)believe-believablebehave-behaviourcook–cooker-cook（名词）care-careful-carefully-carelesscross-across(介词)-crossing(名词)close-open

7、-closed(形容词)关着的,close(副词)靠近地clearv.指烟雾消散adj.--(副词)clearlycolourn.v.给上色(形容词)colourfulcelebrate-celebrationcrowdn.人群v.聚集adj.crowdedcorrectv.改正adj.—correctlyadv.cheer---cheerfulcreate---creator--creativecollect—collection--collecttingavoid--avoidableattract--attr

8、actionadvertise--advertisementdecorate--decorationdie--dying-(形容词)dead-(名词)deathdecide--decisionadvise--advicedescribe—descriptiondevelop--developmentdiscus--discussionenter--entra