- 133.00 KB
- 2022-06-17 15:09:58 发布
- 1、本文档共5页,可阅读全部内容。
- 2、本文档内容版权归属内容提供方,所产生的收益全部归内容提供方所有。如果您对本文有版权争议,可选择认领,认领后既往收益都归您。
- 3、本文档由用户上传,本站不保证质量和数量令人满意,可能有诸多瑕疵,付费之前,请仔细先通过免费阅读内容等途径辨别内容交易风险。如存在严重挂羊头卖狗肉之情形,可联系本站下载客服投诉处理。
- 文档侵权举报电话:19940600175。
初三英语总复习一、名词:1、名词的概念:名词是指表示人、事物、地点或抽象概念的名称的词。2、名词的分类:专有名词:China,Mike,English,theGreatWall…普通名词:可数名词(有单、复数之分,在可数名词单数之前要用a/an)table,life,tomato…不可数名词(无复数形式)food,duty,news,knowledge…3、可数名词复数的构成:⑴一般情况是在名词后加-s⑵以s,x,sh,ch结尾的加-es⑶以辅音字母+y结尾的,要变y为i再加-es,如:city--family–以元音字母(Aa,Ee,Ii,Oo,Uu)+y结尾的,加-s,如:boy--⑷以f/fe结尾的变f/fe为v再加-es,如:half--self--shelf--leaf--knife--wife--life--⑸以o结尾的,只有tomato和potato是加-es,其余的都加-s,如:photo--radio--kilo--zero--zoo--⑹特殊情况:man--woman--policeman--Englishman--Frenchman--但:German--child--foot--tooth--⑺单、复同形:Chinese--Japanese--sheep--⑻形式上是单数,实际上表复数概念:people,police如:Thepeople/policeareworkinghard.⑼有两种形式的:fish作“鱼”时,可数,其复数是fish或fishes作“鱼肉”时,不可数。⑽复合名词的复数形式:manplayer--menplayers,womandoctor--womendoctors,appletree--appletrees4、不可数名词:无复数形式,不能与a/an或数词连用,必须用acupof…,apieceof…,apairof…,some,much,somuch,toomuch,little,alittle,alotof,lotsof…等表数量。如:muchwork,alittlemoney,twobagsofrice…注:一条裤子apairoftrousersis…Thetrousersare…一双袜子/鞋子apairofsocks/shoesis…Mynewshoesare…一副眼镜apairofglassesis…数杯橘子汁glassesoforanges数张纸piecesofpaper如果这些短语中需要用形容词,形容词应该放在冠词后。afullbottleofmilktenbigpiecesofpaper如果…of短语后的名词为可数名词时,必须用复数。abagofbooksabasketofapplesaboxofpens5、名词的所有格:⑴单数名词的所有格:①加’sthestudent’sbook②以s结尾的单词,加’James’book⑵复数名词的所有格:①以s结尾的,加’thestudents’booksafewyears’timetwentyminutes’walk②不以结尾的,加’schildren’sdollsmen’sshoes⑶以and连接的:①共同拥有,共同一个’sLilyandLucy’sfatheris②分别拥有,每个名词后加’sLiLei’sandJim’sfathers⑷无生命名词的所有格:①表时间、距离、重量、世界、国家、城镇等的加’s或s’anhour’swalk,tenminutes’talk,China’scapital,(in)today’snewspaperworld’spopulation②用of短语。(语序与汉语不一致)apictureofmyfamily,theclassroomofourschool,teachersofClass1⑸双重所有格:afriendofmybrother’sanewphotoofmineanoldfriendofKate’ssomeflowersofhers
thenameofhercat⑹表“在……办公室”“在……店/家”的名词所有格后面的名词常省去:atthedoctor’sinUncleWang’sintheteachers’二、代词:⑴人称代词、物主代词、反身代词第一人称第二人称第三人称单数复数单、复一样单数复数人称主格Iweyouhe/she/itthey代词宾格meusyouhim/her/itthem物主形容词性物主代词myouryourhis/her/itstheir代词名词性物主代词mineoursyourshis/hers/itstheirs反身myselfourselvesyourselfhimselfthemselves代词yourselvesherself/itself注:1)主格作主语,放在句首。如果主语是几个并列代词时,You最前,I最后(你在前,我在后)。如:You,heandIare…但在表抱歉的句子中,I放在前,如:Sorry,IandLiLeibroketheglasses.2)宾格作宾语,放在动词、介词后。放在动、副短语的之间。如:Theseareyourthings.Pleaseputthemaway.3)形容词性物主代词后必须加名词。4)名词性物主代词后不能加名词,但相当于形容词性物主代词+名词。如:mybook=minehisbook=hisherbook=hers5)反身代词于动词、介词后作宾语。如:SheteachesherselfEnglish.ShelearnsEnglishbyherself.于句末加强语气,“亲自”。如:You’llseeityourself.于主语后作同位语。如:Hehimselfdidit.于固定短语中。如:enjoyoneself=haveagoodtime=playhappilybealone=allbyoneselfteachoneselfsth.=learnsth.(all)byoneselfleavesb.byoneselfhelponeselftosth.⑵指示代词:近指this→复these远指that→复those注:1)打电话时用this代替自己,that代替对方。如:Hello!Thisis….Isthat…speaking?2)that/those可以用来代替前面提到过的人或物。如:Thisstoryismoreinterestingthanthatone.⑶疑问代词、连接代词、关系代词:指人:who(主语)whom(宾语)whose(谁的)指物:whatwho’s(谁是)指人/物:which注:1)ThebagonthedeskisLucy’s.→Whoseisthebagonthedesk?Lucy’sbagisonthedesk.→Whosebagisonthedesk?2)What也可对人的职业、身份提问:Whatdoyoudo?=Whatareyou?Whatdoesshedo?=Whatisshe?3)对某人的身高胖瘦提问用What:Heisthinandtall.→Whatishelike?⑷不定代词:①some用于肯定句和表请求、征求意见的疑问句,如:Couldyougivemesome…?
Wouldyoulikesome…?Whydon’tyougivehimsome…?any用于否定句、疑问句、条件句,如:Ifyouhaveanyquestiontoask,youwillcallme.注:something/somebody/someoneanything/anybody/anyone用法类似。②one…theother…(一个…另一个…)○→○两者中一个…,另一个…one…theothers…(一个…其余的…)○→○○○○多数中的一个…,余下的全部…some…theothers(一些…其余的…)○○→○○○○一些…,余下的全部…some…others(一些…另一些…)○○→○○○○→○○○→一些…,余下的中的一部分…another(另一个,又一个)○→○→○→一个一个地连接,后+名单或few/数字+名复,如:anothercakeanothertwocakes=twomorecakes注:1)theother和other后可加名词2)theothers和others后不加名词3)theother/theothers表特定范围内除去一部分后余下的全部。4)other/others表除去一部分后的另一些,但不是余下的全部。③each强调个体,+名单(谓动:单)两个或两个以上的每一个。eachof+名复(谓动:单)如:Eachwomanhasabook.=Eachofthewomenhasabook,every强调整体,+名单(谓动:单)三个或三个以上的每一个Everyboylikes…但Everyof×注:1)Eachofushasaroom.=Wehavearoomeach.2)eachother两者互相,于动词后,如:helpeachotherunderstandeachothereachother的所有格eachother’s,如:Theyfilledeachother’sstockingswithpresents.P.33)当each放在主语后时,谓动(复),如:Weeachhaveabookonthedesk.4)oneeach每人一个④both两者都→否:neither两者都不+名单Neithersentenceisright.all三者以上全都→否:none三者以上全都不bothof(谓动:复)Bothoftheanswersareright.neitherof(谓动:单)Neitheroftheanswersiswrong.BothAandB(谓动:复)A和B都BothyouandIareteachers.NeitherAnorB(就近一致)A和B都不NeitheryounorIamastudent.注:1)either两个人或物中的任何一个,如:Therearesomeflowersoneithersideoftheriver.=Therearesomeflowersonbothsidesoftheriver.2)either表“也”时,于否定句,:如:Hedoesn’tlikeit.Shedoesn’tlikeit,either.3)EitherAorB(就近一致)或者A…或者B…,不是A…就是B…EithertheyorLilyknowsthegoodnews.4)倒装句中:Shelikesapples,andsodoeshe.Ifyouwon’tgo,neither/norwillI.⑤one代指单数的人或物Theappleisbiggerthanthatone.ones代指复数的人或物Theapplesarebiggerthanthoseones.注:it与oneit代指前面提到过的单数的东西,复数用them。如:Ican’tfindmypen.Haveyouseenitanywhere?指同一样东西。one代指前面提到过的那一类的单数的东西,复数用ones。如:I’velostmypen.Iwanttobuyanewone.同类不同物。⑥alotof=lotsof=plentyof+名复或不可数名词=many+名复或much+不可数名词用于肯定句用于否、疑句如:Shepickedalotoforanges.→Shedidn’tpickmanyoranges.⑦toomuch与toomanysomuch与somany
⑧some,any,no,every可与one,body,thing构成合成不定代词,1)这些词作主语时看作三单。Nobodyishere.Everyoneinourclasslikes…2)放在形容词之前。somethingimportant,nothingdelicious,somethingnice指人somebodysomeone指物somethinganybodyanyoneanythingeverybodyeveryoneeverythingnobodynoonenothing注:Iseveryoneheretoday?Yes,weare.⑨fewlittleafewalittleExx:1.Thesecupsareours.Thoseare__.A.othersB.other’sC.others’D.others’s2.Whydon’tyouget___toread?A.nothingB.somethingC.anythingD.everything3.Eachofthegirls____ahandbag.A.hasB.haveC.doesD.is三、数词和冠词:1、数词:基数词(表数目):1-12单独记,13-19加teen,整十加ty,几十几之间加-,hundred后加and.序数词(表顺序):基+th→序注:1)基数词变序数词口诀:基变序,有规律,词尾加上th,一、二、三,特殊记,词尾字母t和d,(first,second,third)八减t,九去e,f来把ve替,(eighth,ninth,fifth,twelfth)单词ty作结尾,要把y来变ie,(twenty--twentieth)若是遇到几十几,只变末位就可以。(thirty-first)2)分数表达法:基/序,分子大于1时分母+s。1/5--onefifth2/5--twofifths两种表达法:1/2:ahalf或onesecond1/4:aquarter或onefourth3/4:threequarters或threefourths3)对东西的数量提问用Howmany+名复…?如:Thereisonlyabirdinthetree.→Howmanybirdsarethereinthetree?4)对不可数名词的量提问用Howmuch+不可数名词…?如:Thereisalittlemilkinthebottle.→Howmuchmilkisthere5)对人口的数量提问用What…?如:ThepopulationofChinais120,000,000.→WhatisthepopulationofChina?6)对星期和节日提问用Whatday…?如:YesterdaywasWomen’sDay/Friday.→Whatdaywasyesterday?7)对日期提问用Whatis/wasthedate…?如:LastSundaywasMarch3rd.→WhatwasthedatelastSunday?8)hundred,thousand,million,billion在表示具体数时,不用复数,如:threemillion.在表概数时用复数+of短语,如:thousandsof,manythousandsof9)第6课:LessonSix=thesixthlesson405房间:Room40510)A加B是多少:Whatisfourand/plusseven?It’seleven.11)序数词的前面一般必须加the,但以下情况不用:①表“又一”时,如:Therearethreeflowers,butshewantsafourthone.②序数词前有形容词性物主代词时,如:Thisismyfifteenthbirthday.③序数词作表语时,如:Whowasfirstinthehighjump?※Heisalwaysthefirstonetocometotheschool.Iamthesecondonetogetupinmyfamily.特别记忆:one–firsttwo–secondthree–thirdfour–fourteen–fortyfive–fifteen–fifty–fifthnine–nineteen–ninety–ninthtwelve–twelfthtwenty--twentieth2、冠词(a,an,the)冠词放在名词前:aninvention,ausefulinvention①不定冠词a/an:表泛指,用于不限定的可数名词单数前,a用于辅音前,an用于元音前。Thereisa“u”andan“s”intheword“bus”.Heisaneight-year-oldboy.(aneighteen-year-old,aneighty-year-old,aneleven-year-old)②定冠词the:表特指,用于特定的单、复数名词前。theearth③定冠词the的用法:1)特指某人或物:Theshirtonthetableishis?2)说话双方都知道的人或物:Whereisthecoat?--It’sbehindthechair.3)上文提到过的人或物:Ihaveacat,thecatlikesplayingwithballs4)世上独一无二的东西:Theseaisblue.5)用在序数词和形容词最高级前面:thehealthieststudent6)固定短语中:ontheothersideof…atthebusstopthenumberof…7)由普通名词构成的专有名词前:theChangjiangRiver8)用在姓的复数形式前表某一家人:TheGreensarewatchingfootballmatch.9)用在某些形容词前表某一类人:Wushouldhelptheblind.④不用冠词的情况:1)专有名词和不可数名词前不用:America,Australia,porridge…2)名词前已有this,that,my,our,your,his,herits,some,any,whose,no,each,every等词时不用:Thisisourfirstlesson.Everyboyhasaworkbook.3)星期、月份、季节、节日前不用:onSundaymorning,inspring,Teachers’Day,Children’sDayWomen’sDay
Mid-AutumnDay1)称呼、学科、三餐、球类运动前不用:aftersupperplayvolleyballMr.Wang(琴类前要用the:playthepiano)2)某些固定短语中不用:athomebybusinbedontimeattimes注:表类别1)a/an+名单Ahouseisausefulanimal.Amooncakeisaroundcake.2)the+名单Thehouseisausefulanimal.3)名复Housesareusefulanimals.四、形容词和副词:形容词①修饰名词,放在名词前。animportantthing②修饰不定代词,放在不定代词后。somethinginterestingtoread③于系动词后,作表语。bebeautifullookhappyfeellonelybecomeangry副词:修饰动词、形容词、其他副词或句子。Maybeheknowsthegoodnews.1、形容词、副词比较等级的构成:①单音节、双音节词:1)一般情况+er,est:quick-quicker-quickesthealthy-2)以结尾的+r,st:nice-nicer-nicestfine-finer-finest3)以辅音字母+y的,变y为i+er,est:healthy-healthier-healthiest4)双写,再+er,est的:big,red,fat,thin,hot,wet,sad②多音节词和部分双音节词,在单词前+more,most:slowly-moreslowly-mostslowlyquickly-morequickly-mostquicklytired-moretired-mosttiredoften–oftener/moreoften–oftenest/mostoften③不规则变化:good/well–better–bestlittle–less–leastbad/badly/ill–worse–worstmany/much–more–mostfar–farther–farthestold–older–oldest年龄大小-further–furthest-elder–eldest家庭成员的长幼2、比较级句型:(两者相比,用than表达)A比B…A…+比较级thanBA比B…得多A…+much+比较级thanB(much+比较级:…得多)如:①Thecakeisbiggerthanthatone.Thecakeismoredeliciousthanthatone.②Igetupearlierthanmyfathereveryday.③Theseproblemsaremucheasierthanthoseones.Theseproblemsismuchmoreimportantthanthoseones.注:1)比较级前可加much,alittle,even,still等,如:Sheisevenslowerthanbefore.Shefelteven/muchworse.2)比较级+and+比较级(越来越…),如:Daysgetlongerandlongerinsummer.Ourcityisbecomingmoreandmorebeautiful.1)the+比较级…,the+比较级…(越…越…),如:Thebusierheis,thehappierhefeels.Themorehereadsthebook,thebetterheunderstandit.2)the+比较级ofthetwo(两者中较…的),如:Heisthetallerofthetwoboys.=Heistallerthantheotherone.3、最高级句型:(三者以上,用of短语或in短语表达)A是…中最…的:A…+(the)+最高级+of/in短语注:1)in表场所或范围,如:inourclass,intheirfactory…of与名复、代词或表具体数量的词连用,如:ofus,ofall,ofthethree…2)形容词最高级前必须加the,而副词最高级前则可不加。如:Annistheyoungestinherfamily.Tomdoeseverythingmostcarefullyofthefive.4、同级比较:(用as…as或notas/so…as句型)①A与B一样…A…+as+形、副原形+as②A与B不一样…/A不如B…A…+as+形、副原形+as5、同义句转换:①变成否定句:如:A比B高。=B没有A高。AistallerthanB.=Bisn’ttallerthanA.
①变成反义词:(A与B交换位置)如:A比B高。=B比A矮。AistallerthanB.=BisshorterthanA.②将more+形、副原形与less+形、副原形互换:(A与B交换位置)如:AismoreinterestingthanB.=BislessinterestingthanA.③比较级与最高级的互换:A是…中最…。=A比其他任何一个都…如:Chineseisthemostusefulsubject.=Chineseismoreusefulthananyothersubject.(thananyother+名单)=Chineseismoreusefulthantheothersubjects.(thantheother+名复)=Chineseismoreusefulthantheothers.(theothers=theother+名复)Hejumpshighestinourclass.=Hejumpshigherthananyotherstudentinourclass.=Hejumpshigherthantheotherstudentsinourclass.=Hejumpshigherthantheothersinourclass.注:1)ShanghaiisbiggerthananyothercityinChina.ShanghaiisbiggerthananycityintheUSA.2)Tomstudiesharderthananyotherstudentinhisclass.Thefatherworksharderthananyworkerinthefactory.④A和B都…=A与B一样…如:AandBarebothveryimportant.=AisasimportantasB.5、形容词、副词的反义词:6、形容词、副词的互换:①一般情况在词尾+ly,如:quick-quicklyslow-slowlycareful-carefully②以y结尾的,变y为i+ly,如:happy-happilyeasy-easily③以e结尾的:polite-politelysafe-safely但:true-trulypossible-possibly④特殊的:good-well⑤形、副同形的:early,fast,straight,hard…⑥频度副词always,sometimes,often,usually,never等放在be动词、情态动词、助动词之后,实义动词之前。⑦程度副词very,so,too,quite,rather后+形、副原形,enough用于名前形、副后。⑧副词home,here,there之前不能加the,如:thewaytothehospital,onone’swayhomegettothefactory,getthere⑨also,too与eitherso与neither/nor⑩already,yet与ever五、介词:1)表时间的介词:in表某年、月、星期、季节:in2002,inJanuary,inaweek,inautumn固定短语:inthemorning,intheafternoon,intheevening,intheend…on表某一天或某一天的某部分:onWomen’sDay,onAugust,3rd,onMondaymorning,onthefifthday,onacoldeveningontheeveningofSeptember,22nd…固定短语:ontime…sth.is/areonthebedat表某一时刻:atseveno’clock,atthattime,固定短语:atfirst,atlast,atnight,atnoon,attheendof…for表时间段:fortwomonths,foramoment,foralongtime…before在…之前:beforebreakfast,beforewashing,beforetwelveo’clockafter在…之后:afterlunch,afterrunning,thedayaftertomorrow,aftereightfrom…to…从…到…fromTuesdaytoSaturday,frommorningtoevening,fromninetoelevenbetween…and…在…之间betweennineandelevenpast表超过某时刻(半小时前):halfpastfive,twenty-threepasttento表时间到某时刻差多少:twelvetotwelve,thirteentonine2)表方位的介词:in在…内,在大地方:inthegag,inbed,inBeijing,inatown…on在…上(面上、线上、点上):ontheearth,ontheleft,onthehill,onafarm,
onone’swaytoschool…in□在…范围内on两地相邻to□□两地不相邻※※Taiwanis_____thesoutheastofChina,andit’s_____theeastofFujian.※※Sichuanis____thenorthofYunnan.at在…小地方:atthebusstop,atthefootofthehill,attheschoolgate,attheendoftheroad,standatthestartingline/atthesideoftheroadbeside在…旁边:besidethehousenear在…附近:nearthewindow,neartosb.=nexttosb.behind在…后面:behindthechair,behindmeunder在…下面:underthetableoutside在…外部:(反:inside)outsidetheschoolgate,insidetheparkinto指进入…go/comeintotheroom,sendupintothesky,runintotheforestup向上:putupthemap,lookupthestartsdown向下,顺着…下去:dodownthestreetinfrontof在…前面:infrontme,(abigtree)infrontofmyhouseinthefrontof在…前部:(thebus-driver)inthefrontofthebus,(theteachers)inthefrontoftheclassroomonthetree在树上(本身长在树上的东西)inthetree在树上(外来物飞、落到树上)onthewall在墙上(贴在墙上)inthewall在墙上(镶嵌在墙上)Therearetwodoorsinthewallofourclassroom.across横过,横跨,从点上、面上过,通常指过街、河、桥、马路。动词+across=crossgoacrossthestreet/river/bridge/roadthrough穿过,从物体内部穿过,通常指穿过森林,光、空气等透过窗、门洞。Gothroughtheforest.Thelight/Thecoldairgoesthroughthedoor.Thesunshinedoesthroughthewindow.between两者之间,通常构成between…and…:betweenChengduandChongqingShesitsbetweenJimandme.among三者以上的之间:Weliveamongtheair.Hebuiltahouseamongthetrees.LeiFengalwayslivesamongus.on在…上,两物体接触。Putyoureraseronyourdesk.over在…的垂直上方:Thereisabridgeovertheriver.above在…上方:Theplanewasflyingabovetheclouds.3)表方式和其他的介词:by表方式,后直接+交通工具。bybus,byplane,byspaceship,bysatellite…=in/on+冠词或代词+交通工具。ona/thebus,ontheboat,inhiscar…inHecansingthenewsonginEnglish.with①表伴随,在一起,拥有等:withhisfamily,withaboxunderhisarm,withthesewords,aboywiththenameofBill,withone’shelp…②表手段或方法:Thepictureisdrawnwithapen.=inpenIcanfinishthehardworkeasilywithyourhelp.without无,没有,with的反义词:withoutone’shelpIcouldn’tfinishmyhomeworkwithoutyourhelp.=Icouldn’tfinishmyhomeworkifyoudidn’thelpme.Wecan’tlivewithoutairorwater.=wecan’tliveifthereisnoairorwater.about与onThereisastoryaboutthepoorgirl.IhaveanewbookonEnglishstudy.on表方式,通过。Whenmyfatherwasyoung,healwayslearnedEnglishontheradio.TheinterestingplaysareonChannelOne.Exercises:1.Thelittleboyiswriting_____apencil.2.Lucycansingthesong______Japanese.
3.Heusuallycomestoschool____bus.4.Hecametoschoolwithhisfriend_____abus.5.Mr.Whitegoestowork_____hisowncar.6.Wearecomingback_____afewhours.7.Myparentsaregoingback_____nineo’clock.8.Theforeignersvisitedourschool______themorningofMay20th,2000.9.Whatdoyouoftendo_____Sundayevening?10.Thelifttakeshimup/down_____thetwelfthfloor.11.Jimlives_____thefifteenfloor.12.Sheisill_____bed.13.Whoseclothesarethese____thebed.14.Whatdoyouthink____thefilm?---Verygood.15.Whatdoyoulike_____China?----Thepeopleandthefood.六、连词:1、并列连词:and表并列。but但是,表转折。or否则so因此,那么2、从属连词:that,if,whether,who,whom,whose,what,whatcolour,when,while,where,which,why,how,howold,howmany,howmuch,howlong,howsoon,howoften,before,after,until,till,assoonas,if,because,so,though,since七、动词:1、动词的种类:1)连系动词:be,look,sound,smell,feel,become,get,turn,go2)情态动词:can/could,may/might,must,need,haveto,shall,will3)助动词:do,does一般现在时中did一般过去时中shall,will一般将来时中should,would过去将来时中have,has现在完成时中had过去完成时中4)行为/实义动词:run,jump,sing,watch,speak…注:1)连系动词+形容词作表语。如:Howhappyhefeels!Howhappilyhelives!形容词系动词副词动词2)情态动词后+动词原形,如:Youmustgotoschooltomorrow.can(could)表能力:能,会Icanhelpmyparentswithhousework.表请求,允许:可以Can/CouldIaskyouaquestion?---Yes,ofcourseyoucan.当表示允许某人做某事时,用can回答。CouldIborrowyourbike?---Yes,youcan.could是can的过去式,也可表示语气比can更委婉。如:Whenhewasfiveyearsold,hecouldswimwell.=Whenhewasattheageoffive,hecouldswimwell.Couldyouhelpmecarrytheheavebox?----Certainly.Canyou…?---Yes,Ican./No,Ican’t.can与beableto:在表能力时,can的过去时态为could。要表其他时态时,用beableto,即:can=am/is/areableto+动原could=was/wereableto+动原Wecanseeitclearly.=Weareabletoseeitclearly.Shecoulddoansmalloperation.=Shewasabletodoansmalloperation.将来时中:Theyaregoingtobeabletofinishthebuildinginayear.=Theywillbeabletofinishthebuildinginayear.may(might)表可能性:可能,也许Hemayberight.=Maybeheisright.Hemayknowit.=Maybeheknowsit.表许可:可以MayIgonow?---Yes,ofcourse.MayI…?---Yes,ofcourse./No,youmustn’t./No,youcan’t.must表义务、命令:必须,应当,务必。(由主观原因决定)
如:Youmustfinishyourhomeworkfirst.表猜测:一定是,否定句中用can’t。ThatmustbeLingFeng.---Thatcan’tbeLingFeng.Theroadiswet,itmustrainjustnow.mustn’t表禁止,不允许:不准,不可以Youmustn’tpickflowersinthepark.MustI…?---Yes,youmust./No,youneedn’t.(不必)haveto不得不,由客观原因决定如:Motherisill,Ihavetostayathomeandlookafterher.shall(should)应当,要WeshouldspeakEnglishinEnglishclass.表征求意见,……好吗?Shallwe/Igoshoppingnow?will(would)愿意,要Iwilldomybesttohelpyou.表征求意见,……好吗?Willyoupleaseopenthedoor?Wouldyousweepthefloor?need需要Ineedsomehelp.YouneedreadthestoryinChinese.---Youneedn’treadthestoryinChinese.---NeedIreadthestoryinChinese?need作实义动词时,用needtodosth.表示。Sheneedstowatertheyoungtreeseveryday.---Shedoesn’tneedtowatertheyoungtreeseveryday.---Doessheneedtowatertheyoungtreeseveryday?3)助动词:①变否、疑句时加上的:do,does,did如:Idomyhomeworkatnight.→Idon’tdomyhomeworkatnight.→Doyoudoyourhomeworkatnight?Hedoesitwell.→Hedoesn’tdoitwell.→Doeshedoitwell?TheytaughtusEnglish.→Theydidn’tteachusEnglish.→DidtheyteachusEnglish?②句中本来就有的:shall,willhave,hashad如:Ishallhaveameetingtonight.→Ishan’thaveameetingtonight.→Willyouhaveameetingtonight?Hewillbuyawoollensweater,→Hewon’tbuyawoolensweater.→Willhebuyawoolensweater?Wehavefoundthelosebook.→Wehaven’tfoundthelostbook.→Haveyoufoundthelostbook.Hehassungseveralsongs.→Hehasn’tsungseveralsongs.→Hashesungseveralsongs?ThetrainhadleftwhenIarrived.→Thetrainhadn’tleftwhenIarrived.→Hadthetrainleftwhenyouarrived?4)变否、疑句时,找出句中的be动词、情态动词、助动词,在它们后+或将它们提前并大写。若没有以上三类词,则加上do,does或did构成否定句和疑问句,并将动词还原。5)肯定句变否、疑句时:some→anysomething→anythingsomebody→anybodyalready→yettoo/also→eitherand→or如:Theyhavealreadyfinishedthework.→Theyhaven’tfinishedtheworkyet.→Havetheyfinishedtheworkyet?ShecanspeakGermanwell,too.→Shecan’tspeakGermanwell,either.Healwaysreadsandwritesinthemorning.→Heneverreadsorwritesinthemorning.1、动词的基本形式:原形三单(一般现在时)现在分词(进行时)过去式(一般过去时)过去分词(完成时)workworksworkingworkedworkedfoundfoundsfoundingfoundedfoundedfindfindsfindingfoundfoundflyfliesflyingflewflown注:1)现在分词表进行,用于进行时,分为现在进行时:be(am/is/are)+V-ing过去进行时:be(was/were)+V-ing
2)过去分词表完成,用于完成时,分为现在完成时:have/has+P.P过去完成时:had+P.P1、动词的基本形式的构成:1)三单(一般现在时第三人称单数)的构成:①一般情况+s,如:like-likesplay-playsenjoy-enjoys…②以s,x,sh,ch,o结尾的+es,如:catch-catcheswash-washesdo-doesgo-goes③辅音字母+y结尾的,变y为i+es,如:study-studiesfly-flies2)现在分词(V-ing)的构成:①一般情况+ing,如:study-studyingeat-eatingsee-seeing②以不发音的e结尾的,去e+ing,如:come-comingmake-making③重读闭音节,末尾只有一个辅音字母的,双写辅音字母,再+ing,如:sit-sittinglet-lettingget-gettingforget-forgettingbegin-beginningrun-runningswim-swimmingstop-stoppingdrop-droppingtravel-travellingprefer-preferring④以ie结尾的,变ie为+y,再+ing,如:die-dyingtie-tyinglie-lying3)过去式、过去分词(+ed)的构成:①一般情况+ed,如:help-helpedwant-wantedenjoy-enjoyedplay-plated②词尾有e的,只+d,如:love-lovedlive-livedhate-hated③辅音字母+y结尾的,变y为i再+ed,如:carry-carriedfry-friedworry-worried④重读闭音节,末尾只有一个辅音字母的,双写辅音字母,再+ed,如:stop-stoppeddrop-dropped4)不规则动词的过去式、过去分词:(见书附表)2、动词的时态:1)一般现在时的构成:①be动词的一般现在时:Iam…否:Iamnot…疑:Areyou…?He/She/Itis…He/She/Itisn’t…Ishe/she/it…?We/You/Theyare…We/You/Theyaren’t…Arewe/you/they…?②Therebe句型的一般现在时(某地有某物):Thereis…+地点否:Thereisn’t…疑:Isthere…?Therearesome…+地点Therearen’tany…Arethereany…?③行为动词的一般现在时(以teach为例):Iteach…否:Idon’tteach…疑:Doyouteach…?Sheteaches…Shedoesn’tteach…Doessheteach…?2)一般现在时的用法:①现在的事实或状态:HelivesinLondon.MissGaolikessinging.②现在的习惯、反复的动作:Healwayscomestoschoolontime.Jimwritestohisparentstwiceamonth.③格言、事实、真理:Summercomesafterspring.Timeismoney.Theearthgoesroundthesun.④时间状语从句和条件状语从句中,主句用一般将来时,从句用一般现在时表将来:when/before/afterif主将从现till/until/assoonas如:Wewon’tgoifitrainstomorrow.Wewillgoifitdoesn’traintomorrow.Pleasetellhimtowaitwhenhecomes.Don’tgetoffthebusbeforeitstops.3)一般现在时的时间副词:never,sometimes,often,usually,always,onceaweek,twiceayear,everyday,everytwodays4)一般现在时的重、难点:行为动词的一般现在时在变否、疑句时,须加助动词do(动词是原形时)和does(动词后有s/es时),加了助动词后动词要还原。一般过去时:1)一般过去时的构成:①be动词的一般过去时:I/He/She/Itwas…否:I/He/She/Itwasn’t…疑:Wasyou/he/she/it…?We/You/Theywere…We./You/Theyweren’t…Werewe/you/they…?