第三人称单数变化规则

PRE-UNITTEST1A.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1.Iambusy.2.IamlearningEnglish.3.Ihaveanewbook.4.Iliveinthecountry.5.Ishallseeyoutomorrow.6.Icanunderstandyou.7.Imustwritealetter.8.Imaycomenextweek.9.Idoalotofworkeveryday.10.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.Ihebehave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looklooksteachteachesstudystudiesdo,godoes,goeshavehasamis一般将来时助动词shallwill2.同型的情况1）情态动词：can,must,may,could,should,might,would…2）一般过去时：looked,taught,studied,did,went,had,was…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。Ihaven‘tanymoneytospare.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.1.Ihaven’tanybutter.2.Youhaven’tanycigarettes.3.Wehaven’tanymilk.4.Shehasn’tanybiscuits.5.Theyhaven’tanystationery.Ihaven’tgotmuchbutter.Youhaven’tgotmanycigarettes.Wehaven’tgotmuchmilk.Shehasn’tgotmanybiscuits.Theyhaven’tgotmuchstationery.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.1.Hebuysanewcareveryyear.2.Sheairstheroomeveryday.3.Heoftenloseshispen.4.Healwayslistenstothenews.5.Sheemptiesthisbasketeveryday.1.Heanewcarlastyear.2.Sheitthismorning.3.Hehispenthismorning.4.Hetothenewsyesterday.5.Shethisbasketyesterday.boughtairedlostlistenedemptiedE.Completethesesentences.Usesimplepasttense.1.Heboughtanewcar.Q:Didhebuyanewcar?Q:Whatdidhebuy?N:Hedidn’tbuyanewcar.3.Theywerehereyesterday.Q:Weretheyhereyesterday?Q:Whenweretheyhere?N:Theyweren’thereyesterday.5.Hegaveyouapen.Q:Didhegiveyouapen?Q:Whatdidhegiveyou?N:Hedidn’tgiveyouapen.9.Yousawthatfilm.Q:Didyouseethatfilm?Q:Whendidyouseethatfilm?N:Youdidn’tseethatfilm.10.Hearrivedattwoo’clock.Q:Didhearriveattwoo’clock?Q:Whendidhearrive?N:Hedidn’tarriveattwoo’clock.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：①was/were+not；②在行为动词前加didn't，同时还原行为动词一般疑问句：①Was/Were+主语+其他？②Did+主语+do+其他？特殊疑问句：①疑问代词+was/were+主语+其他?②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-stopped6）不规则变化：am/iswascutcuthavehadsaysaidareweredodidhearheardseesawbecomebecamedrinkdrankkeepkeptsellsoldbeginbegandrivedroveknowknewsendsentbreakbrokeeatateleaveleftspeakspokebringbroughtfeelfeltloseloststandstoodbuiltbuiltfindfoundmakemadetaketookbuyboughtforgetforgotmeetmetteachtaughtcatchcaughtgetgotpaypaidtelltoldchoosechosegivegaveputputthinkthoughtcomecamegowenthavehadwinwoncostcostgrowgrewrunranwritewroteE.Completethesesentences.Usegeneralquestion,specialquestionandnegation.2.Shecancometomorrow.Q:Canshecometomorrow?Q:Whencanshecome?N:Shecan’tcometomorrow.4.Hemustleaveearly.Q:Mustheleaveearly?Q:Whyhemustleaveearly?N:Heneedn’tleaveearly.8.Hehasfoundhispen.Q:Hashefoundhispen?Q:Whathashefound?N:Hehasn’tfoundhispen.6.Helivesnextdoor.Q:Doeshelivenextdoor?Q:Wheredoeshelive?N:Hedoesn’tlivenextdoor.7.Youknowhimwell.Q:Doyouknowhimwell?Q:Howwelldoyouknowhim?N:Youdon’tknowhimwell.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/would…1）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needn’