第三人称单数动词变化规则.ppt
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第三人称单数动词变化规则.ppt
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PRE-UNITTEST1,A.第三人称单数动词变化规则,B.a/an,some和any的用法,C.many和much的用法,D.一般过去时,E.一般疑问句、特殊疑问句和否定句,F.形容词与副词,G.物主代词,H.介词,I.定语从句,Iambusy.IamlearningEnglish.Ihaveanewbook.Iliveinthecountry.Ishallseeyoutomorrow.Icanunderstandyou.Imustwritealetter.Imaycomenextweek.Idoalotofworkeveryday.Ididalotofworkyesterday.,Heisbusy.HeislearningEnglish.Hehasanewbook.Helivesinthecountry.Hewillseeyoutomorrow.Hecanunderstandyou.Hemustwritealetter.Hemaycomenextweek.Hedoesalotofworkeveryday.Hedidalotofworkyesterday.,A.Writethesesentencesagain.BegineachsentencewithHe.,11.Iplayedfootballyesterday.12.Iboughtanewcoatlastweek.13.IhavehadaletterfromTom.14.Iwasbusythismorning.15.IcouldplayfootballverywellwhenIwasyoung.16.Ialwaystrytogetupearly.17.Imightseeyounextweek.18.Ialwaysenjoyagoodfilm.19.Ihadfinishedmywork.20.Iwatchtelevisioneverynight.,Heplayedfootballyesterday.Heboughtanewcoatlastweek.HehashadaletterfromTom.Hewasbusythismorning.Hecouldplayfootballverywellwhenhewasyoung.Healwaystriestogetupearly.Hemightseeyounextweek.Healwaysenjoysagoodfilm.Hehadfinishedmywork.Hewatchestelevisioneverynight.,be,have,以-s,-x,-ch,-sh结尾的词加-es,以辅音字母加y结尾的单词改y为i再加-es,以辅音字母加o结尾的词加-es,一般情况在词尾加-s,语法小结:
第三人称单数动词变化规则,1.一般现在时和一般将来时,look,looks,teach,teaches,study,studies,do,go,does,goes,have,has,am,is,一般将来时助动词,shall,will,2.同型的情况,1)情态动词:
can,must,may,could,should,might,would2)一般过去时:
looked,taught,studied,did,went,had,was,B.Writethesesentencesagain.Putina,someorany.,Therearebooksonthedesk.Idrankglassofbeer.Doyouwantbutter?
Therearentpeopleinthestreet.Tomhasjustboughtnewcar.Wehaveappletreesinourgarden.CanIhavebarofchocolate,please?
Thereisntbreadinthattin.Isthereinkinthatbottle?
Arethereeggsinthatbasket?
a,some,any,any,a,some,a,any,any,any,语法小结:
a/an,some和any的用法,1.不定冠词a和an的用法:
a和an是不定冠词,表示泛指,常用于可数名词的单数形式前。
a用在以辅音发音开头的单词前,e.g.auniversitystudent,aone-eyedelephant;an用在以元音发音开头的单词前,e.g.anhour,anX-raymachine。
1)表示“一个”,意为oneIhaveanewbook.我有一本新书。
2)表示“某一个”,意为acertainAMr.Wangiswaitingforyou.有位姓王的先生在等你。
3)表示一类人或物Aknifeisatoolforcuttingwith.刀是切割的工具。
Mr.Smithisanengineer.史密斯先生是工程师。
4)组成词组或习语alittle,afew,alot(of),atypeof,agreatmany,manya,asarule,inahurry,inaminute,inaword,inashortwhile,afterawhile,haveacold,haveatry,keepaneyeon,allofasudden,2.形容词some的用法:
some既可以修饰可数名词又可以修饰不可数名词,常用在肯定句中。
1)用来修饰名词的单数形式,表示“某一”或“某个”Sheisplayingchesswithsomeboy.她在和一个男孩下棋。
2)用来修饰名词的复数形式或不可数名词,表示“某些”,“若干”,“一部分的”,“一些”Ihavesomeworktodothisevening.今晚我有一些事要做。
Somemushroomsarepoisonous.有些蘑菇是有毒的。
3)表示“好些”,“好几个”,“不少”HelivedinLondonforsomeyears.他在伦敦住了好几年。
3.形容词any的用法:
any既可以修饰可数名词又可以修饰不可数名词,常用在否定、疑问句和if从句中。
1)表示“任一“,”每一”Hewantedajob,anysortofajob.他需要一份工作,任何工作都行。
2)若干,一些,一点,丝毫Ifthereisanytrouble,doletmeknow.如遇到麻烦,务必告诉我。
Ihaventanymoneytospare.我的钱都用光了。
Arethereanylettersforme?
有我的信吗?
3)尽可能多的,所有的Sendmeanydatayoucanfind.把你能找到的所有资料送来给我。
C.Writethesesentencesagain.Usemanyormuch.,Ihaventanybutter.Youhaventanycigarettes.Wehaventanymilk.Shehasntanybiscuits.Theyhaventanystationery.,Ihaventgotmuchbutter.Youhaventgotmanycigarettes.Wehaventgotmuchmilk.Shehasntgotmanybiscuits.Theyhaventgotmuchstationery.,语法小结:
many和much的用法,many和much做形容词时都表示“许多”的意思,但是,many用于修饰可数名词的复数形式,而much用于修饰不可数名词。
D.Writethesesentencesagain.Usesimplepasttense.,Hebuysanewcareveryyear.Sheairstheroomeveryday.Heoftenloseshispen.Healwayslistenstothenews.Sheemptiesthisbasketeveryday.,Heanewcarlastyear.Sheitthismorning.Hehispenthismorning.Hetothenewsyesterday.Shethisbasketyesterday.,bought,aired,lost,listened,emptied,E.Completethesesentences.Usesimplepasttense.,Heboughtanewcar.Q:
Didhebuyanewcar?
Q:
Whatdidhebuy?
N:
Hedidntbuyanewcar.3.Theywerehereyesterday.Q:
Weretheyhereyesterday?
Q:
Whenweretheyhere?
N:
Theywerenthereyesterday.,5.Hegaveyouapen.Q:
Didhegiveyouapen?
Q:
Whatdidhegiveyou?
N:
Hedidntgiveyouapen.9.Yousawthatfilm.Q:
Didyouseethatfilm?
Q:
Whendidyouseethatfilm?
N:
Youdidntseethatfilm.10.Hearrivedattwooclock.Q:
Didhearriveattwooclock?
Q:
Whendidhearrive?
N:
Hedidntarriveattwooclock.,语法小结:
一般过去时,1.基本结构:
主语+动词过去式+其他否定形式:
was/were+not;在行为动词前加didnt,同时还原行为动词一般疑问句:
Was/Were+主语+其他?
Did+主语+do+其他?
特殊疑问句:
疑问代词+was/were+主语+其他?
疑问代词+did+主语+动词原形+其他?
2.用法:
1)表示过去发生的动作或状态eg.Theywenttotheparkyesterday.2)表示过去经常发生的动作或状态eg.Theyalwayscametohelpusthosedays.3.动词变化规则1)直接加-ed:
work-worked2)以e结尾的单词,直接加-d:
live-lived3)以辅音字母+y结尾的,变y为i加-ed:
study-studied4)以元音字母+y结尾的,直接加-ed:
enjoy-enjoyed5)以重读闭音节结尾的,双写最后的辅音字母加-ed:
stop-stopped,6)不规则变化:
E.Completethesesentences.Usegeneralquestion,specialquestionandnegation.,2.Shecancometomorrow.Q:
Canshecometomorrow?
Q:
Whencanshecome?
N:
Shecantcometomorrow.4.Hemustleaveearly.Q:
Mustheleaveearly?
Q:
Whyhemustleaveearly?
N:
Heneedntleaveearly.8.Hehasfoundhispen.Q:
Hashefoundhispen?
Q:
Whathashefound?
N:
Hehasntfoundhispen.,6.Helivesnextdoor.Q:
Doeshelivenextdoor?
Q:
Wheredoeshelive?
N:
Hedoesntlivenextdoor.7.Youknowhimwell.Q:
Doyouknowhimwell?
Q:
Howwelldoyouknowhim?
N:
Youdontknowhimwell.,语法小结:
一般疑问句、特殊疑问句和否定句,1.情态动词:
must,can/could,may/might,oughtto,shall/should,will/would1)基本结构:
主语+情态动词+动词原型+其他2)否定形式:
主语+情态动词+not+动词原型+其他注意:
must的否定形式是neednt3)一般疑问句:
情态动词+主语+动词原型+其他?
4)特殊疑问句:
疑问代词(除why)+情态动词+主语+动词原型+其他?
Why+主语+情态动词+动词原形+其他?
2.一般现在时1)基本结构:
主语+am/is/are+其他;主语+动词原型/动词第三人称单数形式+其他2)否定形式:
主语+am/is/are+not+其他?
主语+助动词do/does+not+动词原型+其他?
3)一般疑问句:
Am/Is/Are+主语+其他?
助动词Do/Does+主语+动词原型+其他?
4)特殊疑问句:
疑问代词+am/is/are+主语+其他?
疑问代词+助动词do/does+主语+动词原形+其他?
F.Completethesesentences.Useadverbs.,Hereadthephrase.(slow)Heworked.(lazy)Hecuthimself.(bad)Heworked.(careful)Thedooropened.(sudden),语法小结:
形容词转换副词,slowly,lazily,badly,carefully,suddenly,副词(adverb,简写为adv)是一种用来修饰动词、形容词、全句的词,说明时间、地点、程度、方式等概念的词。
副词可分为:
地点副词、方式副词、程度副词、疑问副词和连接副词。
形容词转变成副词的规则:
1)直接加-ly:
slow-slowly2)以辅音字母+y结尾的,变y为i加-ly:
lazy-lazily3)部分以不发音的-e结尾的,去e加-ly:
true-truly,G.Writethesesentencesagain.Useshortforms.,1.Hewillarrivetomorrowmorning.2.Shewillcomethisevening.3.Ishallseeyouthedayaftertomorrow.4.Hewillnotbelieveme.5.Weshallnotremainhere.,语法小结:
be、助动词、情态动词的缩写形式,1.Hellarrive2.Shellcome3.Illseeyou4.Hewontbelieve5.Weshantremain,1.肯定形式:
Iam-Im,heis-hes,youare-youre,shewill-shell,Ishall-Ill,ithas-its,theyhave-theyve2.否定形式:
isnotisntarenotarentwasnotwasntwerenotwerenthasnothasnthavenothaventwillnotwontwouldnotwouldntshallnotshantshouldnotshouldntdonotdontdidnotdidntoughtnotoughtntdarenotdarent,H.Completethesesentences.Usepronouns.,Thesethingsbelongtomyhusband.Theyare.Thiscoatbelongstome.Itis.Theseshoesbelongtomywife.Theyare.ThesepensbelongtoTomandBetty.Thepensare.Thissuitcasebelongstoyou.Itis.,1.英语中的物主代词可分为形容词性物主代词和名词性物主代词。
形容词性物主代词起形容词的作用,用在名词前;名词性物主代词起名词的作用。
为避免重复使用名词,有时可用“名词性物主代词”来代替“形容词性物主代词+名词”的形式。
也就是说,名词性物主代词=形容词性物主代词+名词2.物主代词:
语法小结:
物主代词,his,mine,hers,theirs,yours,I.Completethesesentences.Usecomparisonofadjectives.,Itiscooltoday,butitwasyesterday.Itiswettoday,butitwasyesterday.Heslateagaintoday,buthewasyesterday.Thistestiseasy,butthatoneis.Thisbookisexpensive,butthatoneis.Thisbookcaseislarge,butthatoneis.Thatfilmwasinteresting,buttheotheronewas.Bettyispretty,butJaneis.MissGreenisbeautiful,butMissWhiteis.Tomisintelligent,butBillis.,cooler,wetter,later,easier,moreexpensive,larger,moreinteresting,prettier,morebeautiful,moreintelligent,语法小结:
形容词和副词的比较级,1.比较级的构成:
1)一般情况下在形容词和副词后直接加-er2)以-e结尾的形容词和副词加-r3)以辅音字母+y结尾的,改y为i,+-er4)重读闭音节的单词,双写最后一个辅音字母+-er5)多音节单词的比较级和最高级分别在单词前加more6)不规则变化,J.Putintherightwordorphrase:
yesterday,lastnight,tomorrowetc.,ThedatetodayisMonday,March5th.Isawhim(Sunday,March4th).Ishallseehim(Tuesday,March6th).Ishallseehim(Monday,March5th).Ishallseehim(Monday,March5thafternoon).Ishallseehim(Wednesday,March7th).Isawhim(Saturday,March3rd).Isawhim(Sunday,March4thnight).Ishallseehim(Tuesday,March6thmorning).Ishallseehim(Monday,March5thmorning).Isawhim(Sunday,March4thafternoon).,yesterday,tomorrow,today,thisafternoon,thedayaftertomorrow,thedaybeforeyesterday,lastnight,tomorrowmorning,thismorning,yesterdayafternoon,K.Putinat,inoron.,1.Heisgoingtotelephonefiveoclock.2.MybirthdayisMay21st.3.ItisalwayscoldFebruary.4.Myfatherwasthere1984.5.HeisgoingtoarriveTuesday.,at,on,in,in,on,L.Putinacross,over,between,offalong,in,on,into,outof,orunder.,1.Theairplaneisflyingthevillage.2.Theshipisgoingthebridge.3.Theboyisswimmingtheriver.4.Twocatsarerunningthewall.5.Mybooksaretheself.6.Thebottleofmilkistherefrigerator.7.Theboyisjumpingthebranch.8.Maryissittinghermotherandherfather.9.Itis9oclock.Thechildrenaregoingclass.10.Itis4oclock.Thechildrenarecomingclass.,over,under,across/in,along,on,in,off,between,into,outof,1.across1)横越,穿过Wewalkedacrossthestreet.我们穿过马路。
2)在.那边HestaredattheEnglishmanacrossthetable.他两眼一直盯着坐在桌子对面的那个英国人。
3)与.相交叉Thetwolinescutacrosseachother.两条线相互交叉。
2.along1)(表示位置)沿着的某地点;在旁的某地方Hisroomisalongthispassage.他的房间在这条通道上。
2)(表示方向)沿着,循着,顺着Itookmydogforawalkalongtheriver.我带着狗沿那条河散步。
3)(表示方位)靠着Thereisastripedsofaalongthewall.有一张靠墙放着的有条纹的沙发。
语法小结:
介词,3.at1)在.地点TheywerealreadywaitingatthegatewhenIgotthere.2)在.时刻JanewillmeetherboyfriendatChristmas.3)向,朝,对着Dontshoutatme.4.在.方面Heisanexpertattroubleshooting.5)因为,由于Iwokeatthesoundofthebell.随着铃响,我醒了。
6)从事于,忙于Heisworkinghardatthisthesis.他正在努力地撰写论文。
7)以(某种价格、速度等)Theysoldtheclothatadollarayard.4.between可以表示位置、时间、数目、距离、范围、等级、关系等,意为“在之间”或“在之中”,常用于短语“betweentwelveand”
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- 第三人称 单数 动词 变化 规则