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1、可数名词单数转化为复数的规则:1、一般在词尾加s,如:Walkman-Walkmansboyboys2、以s、x、shch结尾的名词,力口es如:dress一dresses(连衣裙)、bus-buses、glass-glasses、box-boxes、faxfaxes、wish-wishes、watch-watches(手表)、peach-peaches3、以辅音字母加y结尾,去y变i加es,如diarydiariesfamilyfamilies、study-studies(书房)、storystories、hobby-hobbies、country-countries(国家)、butterf
2、ly-butterfliesfireflyfireflies(萤火虫)、citycities(城市)4、以O结尾的名词,有些在词尾加es,有的加s,如:mango-mangoesphoto-photoszoo-zoospiano-pianos5、以f、fe结尾的名词,去f、fe变V加es如:knifeknivesscarfscarves(围巾)、theifthieves(小偷)、leafleaves(叶子)、housewife-housewives(家庭主妇)6、不规则变化如childchildrenfootfeettooth一teethpeople-peoplefish-fishman一me
3、nwoman-womenpoliceman一policemen、policewoman-policemen、snowmansnowmen动词原形转化为动词的第三人单数形式的规则1、一般在词尾加s,如:play一playsstaystays2、以s、x、sh、ch、o结尾的名词,加es如:dressdresses(dressup装扮)、wash-washes(洗)、catch-catches、brush-brushes(刷)、touch-touches、watch-watches、teach-teachesgo-goesdo-does3、以辅音字母加y结尾,去y变i加es,如trytries偿试
4、)、crycries(哭)、studystudies(学习)、flyflies、carry-Carries(搬)、worry-WOn*ies(担心)4、不规则变化如havehas动词原形转化为动词ing形式(动词的现在分词、动名词)规则:1一般在词尾加ing,如skiSkiing(滑雪)、jumpjumpingeat-eatingclean-cleaning2、以不发音的e结尾,去e力口ing如makemakingskate-skating(溜冰)、take-taking、write-writing、cycleCyCling(骑自行车)3、双写末字母加ing,如get-getting、run一
5、running、swimswimmingshopshoppingsitsittingjog-joggingputputtingplan-Planning(制定计戈U)、begin-beginningforget-forgetting(忘记)、stop-stopping动词原形转化为动词过去式规则:1一般在词尾加ed,如:talktalkedwaterwatered2、以不发音的e结尾,直接力口d,如like-likedtaste-tastedlivelived3、以辅音字母加y结尾,去y变i加ed,如trytried(尝试)、crycried(哭)studystudied(学习)、carry-carried(搬)、worry-worried(担心)4、双写末字母加ed,如stopstopped5、不规则变化amis-was、are-were、do-did、have-had、fly-flew、eat-atemake-madego-wentsing-sangtake-tookcome-cameseesawsitsatgivegavebuyboughtget-gotforget-forgotmeet-mettell-toldrun-ranbeginbegan、runranreadreadputputsaysaid