英語(yǔ)單詞變形規(guī)則匯總

變形規(guī)則

2021/5/91可數(shù)名詞的復(fù)數(shù)形式2021/5/92可數(shù)名詞才有復(fù)數(shù)形式不可數(shù)名詞主要是抽象名詞和物質(zhì)名詞，做主語(yǔ)時(shí)謂語(yǔ)用單數(shù)集體名詞沒復(fù)數(shù)形式但做主語(yǔ)時(shí)謂語(yǔ)通常用復(fù)數(shù)2021/5/93statesman,mouse,mosquito,monkey,passer-by,watch,button,brochure,university2021/5/94statesmen,mice,mosquitoes,monkeys,passers-by,watches,buttons,brochures,universities2021/5/951.一般在詞尾加-smap-maps,bridge-bridges2.以-s,-x,-sh,-ch結(jié)尾的加-esglass-glasses,brush-brushes3.以o結(jié)尾的有生命的名詞后加-eshero-heroes,potato-potatoes以o結(jié)尾的無(wú)生命的名詞以及-oo結(jié)尾的詞后加-spiano--pianos,zoo--zoos2021/5/964.以輔音加y結(jié)尾的詞變y為i加es;以元音加y結(jié)尾的詞直接加sfactory-factories;boy-boys5.以-f或-fe結(jié)尾的詞，把-f,-fe改為V,再加-eswolf-wolves,leaf-leaves有的以-f,-fe結(jié)尾的詞，可以直接加-sbelief-beliefs,roof--roofs2021/5/97不規(guī)則變化1.bacterium-bacteria;medium-media;criterion-criteriaphenomenon-phenomena2021/5/982.businessman-businessmenpoliceman-policemenpostman-postmensalesman-salesmenspokesman-spokesmenstatesman-statesmen2021/5/993.goose-geese;tooth-teeth;foot-feet4.mouse-mice;ox-oxen;child-childrendeer-deer;fish-fish;sheep-sheep5.means-means;analysis-analysesstamach-stamachs2021/5/910leaf-leaves;knife-kniveslife-lives;shelf-shelvesthief-thieves;wolf-wolves2021/5/911動(dòng)詞的單三變2021/5/912寫出下列動(dòng)詞的單數(shù)第三人稱形式1.swim2.draw3.make4.run5.carry6.leave7.arrive8.watch9.clean10.stay2021/5/913寫出下列動(dòng)詞的單數(shù)第三人稱形式1.swims

2.draws

3.makes

4.runs

5.carries

6.leaves

7.arrives

8.watches

9.cleans

10.stays2021/5/914動(dòng)詞的第三人稱單數(shù)規(guī)則當(dāng)主語(yǔ)是第三人稱（she、he、it）或名詞時(shí)，謂語(yǔ)動(dòng)詞要用單數(shù)形式。一般情況下動(dòng)詞的第三人稱單數(shù)形式都是直接加s動(dòng)詞單數(shù)形式：1、動(dòng)詞以ch、sh、o、s、x結(jié)尾時(shí)，單數(shù)形式要加es2、動(dòng)詞以元音字母+y結(jié)尾時(shí)，在y后直接加s；動(dòng)詞以輔音字母+y結(jié)尾時(shí)，把y變成i再加es3、be動(dòng)詞的現(xiàn)在時(shí)包括am、is、are。第三人稱單數(shù)要用is；have的第三人稱單數(shù)是has2021/5/915動(dòng)詞的-ed形式2021/5/916寫出下列單詞的過去式和過去分詞1.flow2.stick3.bite4.identify5.receive6.aim7.limit8.yell9.ban10.admit2021/5/9171.flow-flowed-flowed

2.stick-stuck-stuck

3.bite-bit-bitten

4.identify-identified-identified5.receive-received-received

6.aim-aimed-aimed

7.limit-limited-limited

8.yell-yelled-yelled9.ban-banned-banned

10.admit-admitted-admitted2021/5/918規(guī)則動(dòng)詞的過去分詞與規(guī)則動(dòng)詞的過去式的構(gòu)成規(guī)則相同。1一般動(dòng)詞，在詞尾直接加“ed”work---worked

visit---visited2以“e”結(jié)尾的動(dòng)詞，只在詞尾加“d”live---lived3以“輔音字母+y”結(jié)尾的動(dòng)詞，將“y”變?yōu)椤癷”，再加“ed”study---studied---studied4重讀閉音節(jié)結(jié)尾，末尾只有一個(gè)輔音字母，雙寫該輔音字母，再加“ed”stop---stopped2021/5/919動(dòng)詞的-ing形式2021/5/920寫出下列單詞的-ing形式violatewindswallowscanreferquarrelbreathebeginwriteforgivetietry2021/5/921寫出下列單詞的-ing形式violatingwinding

swallowingscanningreferringquarrel(l)ing

breathingbeginningwritingforgiving

tyingtrying2021/5/9221.一般在動(dòng)詞末尾直接加ing2.以不發(fā)音字母e結(jié)尾的動(dòng)詞，先去掉e,再加ing如：have---having3.以重讀閉音節(jié)結(jié)尾的動(dòng)詞，中間只有一個(gè)d短元音字母，詞尾只有一個(gè)輔音字母,應(yīng)雙寫末尾的輔音字母，再加ing如：runningbeginning

jogging

sittinggetting4.以ie結(jié)尾的動(dòng)詞，把ie變成y再加ing，如：lie---lyingdie---dying2021/5/923形容詞,副詞的比較級(jí)和最高級(jí)2021/5/924寫出下列形容詞的比較級(jí)和最高級(jí)bad

clean

famous

dirty

big

ill

heavy

little

happy

far

expensive

well

slow

easy

wide

carefully

early

thin

much

clever2021/5/925寫出下列形容詞的比較級(jí)和最高級(jí)bad/ill-worse-theworstclean-cleaner-thecleanestfamous-morefamous-themostfamous

dirty-dirtier-thedirtiest

big-bigger-thebiggestheavy-heavier-theheaviestlittle-less-theleast2021/5/926happy-happier-thehappiestfar-farther/further-thefarthest/furthest

expensive-moreexpensive-themostexpensivewell-better-bestslow-slower-theslowesteasy-easier--theeasiest

wide-wider-thewidest

carefully-morecarefully-mostcarefullyearly--earlier-earliestthin--thinner-thethinnest

much--more-themostclever-cleverer-thecleverest2021/5/9271.單音節(jié)詞在詞尾加-er構(gòu)成比較級(jí)，加-est構(gòu)成最高級(jí)如：hard-harder-thehardest2.以不發(fā)音的e結(jié)尾的單音節(jié)詞直接加-er或-est，如：late-later-thelatest3.以輔音字母加y結(jié)尾的變y為I加er或est:如:easy---easier---theeasiest4.以一個(gè)輔音字母結(jié)尾的重讀閉音節(jié)詞雙寫最后一個(gè)輔音字母再加er或est:如:big---bigger---thebiggest5.多音節(jié)詞前加more或most,副詞最高級(jí)前省略the.如:important---moreimportant---themostimportant2021/5/9286.以-ly結(jié)尾的副詞，除early外，其他均使用more/most構(gòu)成比較級(jí)和最高級(jí)early-earlier-earliestwarm-morewarmly-mostwarmlypatiently-morepatiently-mostpatiently2021/5/929不規(guī)則變化good/well---better---thebest好bad/badly/ill---worse---theworst壞many/much---more---themost多l(xiāng)ittle---less---theleast少old---older/elder---theoldest/theeldest老,舊far---farther/further---thefarthest/thefurthest遠(yuǎn)2021/5/930請(qǐng)寫出下列形容詞的副詞形式exactcompletepersonalprobableeasyfrequentfullautomatic2021/5/931形容詞變副詞2021/5/9321.直接+lyquiet—quietlydifferent—differentlyconfident—confidentlybeautiful—beautifullycareful—carefullyrecent—recently2021/5/9332.以-le結(jié)尾的形容詞去e+ly

terrible—terriblypossible—possiblycomfortable—comfortablygentle—gentlysimple—simplyreasonable—reasonablyprobable—probablyincredible—incredibly2021/5/934其它以e結(jié)尾的形容詞直接+lywise—wiselynice—nicelypolite—politelyfortunate—fortunatelyclose—closelyimmediate—immediately

wide—widely2021/5/935true—trulywhole—whollyfull—fullydull—dully

注意以下形容詞變副詞的拼寫2021/5/9363.以輔音+y結(jié)尾的，變y為i+lyhappy—happilyeasy—easilyangry—angrilymerry—merrilyheavy—heavilynoisy—noisilyhealthy—healthilylucky—luckily2021/5/9374.以ic結(jié)尾的+allyenergetic—energeticallyautomatic—automaticallyscientific—scientificallyeconomic—economicallybasic—basically

public—publicly（例外）2021/5/938注意以ly結(jié)尾的形容詞friendlylovelylivelyelderly

lonelymonthly\weekly\yearlybr