詞形變換詞尾雙寫課件

什么情況下雙寫詞尾輔音字母再加后綴？1.1個(gè)元音字母+1個(gè)輔音字母結(jié)尾的單詞2.最后一個(gè)音節(jié)重讀3.注意少數(shù)例外(特別注意以Y結(jié)尾的單詞)1.sit2.listenseatbegin3.fit4.wetfixnew5.equipquitquitted,quittingequipped,equippingsittingseatinglisteningbeginningfittingfittedfixingfixedwetterneweringingingedereding口訣：一對(duì)一+重讀音節(jié)，X和字母組合除Y第1頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)X和字母組合除Y一．雙寫最后一個(gè)輔音字母，再加-ing和-ed(注意規(guī)則動(dòng)詞的過去式和過去分詞),或加er變成名詞?；蚣觘r變成比較級(jí)，加est變成最高級(jí)。1.nodkidbidbedforbidspendsend-ingforbiddingspendingsending1.noddingkidding

biddingbedding第2頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)x和字母組合除Y2.banplanrunopenlistenwin…ed,…er2.banned

planned

runranopenedlistenedwinwon2.bannerplanner

runner

openerlistenerwinner第3頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)x和字母組合除Y3.betting,lettinggetting,forgetting,putting,cutting,sitting,hitting,spitting,fitting,quitpatpermitadmitsubmit,babysitbabysitfixingquittingpattingpermittingadmittingsubmitting,-ingbabysitting,fix第4頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)x和字母組合除Y4.blogbegdigjoghug4.blogging,begging,digging,jogging,hugging,第5頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)x和字母組合除Y5.stop,drop,hop,skip,equip,6.rob,comb,climbswim5.stopped,dropped,hopped,skipped,equipped,6.robbed,combed,climbedswim--swam5.stopper,dropper,hopper,skipper,equipment,6.robber,comber,climberswimmereder第6頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)x和字母組合除Y6.occur,prefer,infer,refer,star,char,suffer,differ,6.occurred

preferred,inferred,referred,starred,charred,suffered,differed,6.occurring,preferring,inferring,referring,starring,charring,suffering,differing,eder第7頁(yè)/共15頁(yè)一對(duì)一重讀音節(jié)x和字母組合除Y8,雙寫最后一個(gè)輔音字母，再加er,變成比較級(jí)，加est變成最高級(jí)fat,hot,thin,big,wet,dim,slim,low,new,fatter,hotter,thinner,bigger,wetter,dimmer,slimmer,lower,newer,fattest,hottest,thinnest,biggest,wettest,dimmest,slimmest,lowest,newest,wildwilderwildest第8頁(yè)/共15頁(yè)一對(duì)一重點(diǎn)輔導(dǎo)x和字母組合除外

三．雙寫最后一個(gè)輔音字母，加y變成形容詞sun,funstar,furwindcloudsunnyfunny,furry,windycloudystarrysunnierfunnier,furrier,windiercloudierstarrier比較級(jí)第9頁(yè)/共15頁(yè)以輔音字母加Y結(jié)尾的單詞怎樣變一。單數(shù)變復(fù)數(shù)babyfamilybeautydiscoveryenergystudykeymonkeyplaybabiesfamiliesbeautiesdiscoveriesenergiesstudieskeysmonkeysplays第10頁(yè)/共15頁(yè)以輔音字母加Y結(jié)尾的單詞怎樣變二。動(dòng)詞原形變成單三現(xiàn)burybuyannoycarryplaydestroyconveyprayhurryflystayspystudyburiesbuysannoyscarriesplaysdestroysconveysprayshurriesfliesstaysspiesstudies第11頁(yè)/共15頁(yè)以輔音字母加Y結(jié)尾的單詞怎樣變?nèi)?。形容詞副詞變比較級(jí)和最高級(jí)uglydryluckyearlysaltysleepyfriendlywealthyshysunnyangrierhungrierbusierclumsierdirtierdustierhappierlaziermerriernoisieruglierdrierluckierearliersaltiersleepierfriendlierwealthiershyersunnierangryhungrybusyclumsydirtydustyhappylazymerrynoisy第12頁(yè)/共15頁(yè)-nesslazybusyhappyexactwildvividcoldmildkindrudecarelessthinwetsadbrightdryshygentlebitterlazinessbusinesshappinessexactnesswildnessvividnesscoldnessmildnesskindnessrudenesscarelessness

thinnesswetnesssadnessbrightnessdrynessshynessgentlenessbitterness第13頁(yè)/共15頁(yè)一．雙寫最后一個(gè)輔音字母，再加-ing和-ed(注意規(guī)則動(dòng)詞的過去式和過去分詞),或加er變成名詞。1.nodding,kiddingbidding,bedding,forbid,spend,send2.banning,planning,beginning,running,open,listen,win3.betting,hitting,getting,cutting,letting,putting,sitting,babysit,fix,fitting,forgetting,patting,spitting,quit,permit,admit,submit,4.blogging,begging,digging,jogging,hugging,5.stop,drop,hopping,equip,