be动词用法全解

PAGEPAGE9Be动词的三种形式(am,is,are)（一般现在时态中）Iaminguangzhounow.Myfather(He)inShanghai.Mysister(She)isinWuhan.Guangzhou(it)acity.We(LucyandI)students.Youareateacher.They(GuangzhouandWuhan)cities.练习：用am,is,are填空。TheU.S._______abigcountry.Guangzhou_______oneofthelargestprovinceinChina.GuangzhouandShanghaiWe_______inGuangzhounow.I_______astudentinXXschool.LucyandI_______teenagers.David_______myclassmate.You_______mybestfriend.Mydog_______mybestfriend.Mymotherandsister_______athome.Be动词位置。主语Be补语IamfromChina.Chinaisacountry.Chinaisbig.Chineseismynativelanguage.YouarefromGuangzhou.ItishotinWuhan.1主语放在句首。作主语的为：人或物。从主语看出我们在谈论的是谁或什么。2Be动词am,is,are放在主语的后面。3最后面的都是补语。以补语结束句子。补语表明主语的：属于哪类；地点；对主语描述等。练习：用下面的单词，组成正确的句子。并说明是BE动词的哪种用法。例子：big/theU.S.A./isTheU.S.A.isbig.（对主语分类）is/beautiful/China__________________is/Texas/abigstate__________________hottoday/it/is__________________theteacher/from/is/NewYork.__________________years/mybrother/is/25/old.__________________abigcountry/America/is__________________intheclassroom/are/thestudents__________________themap/onpage3/is__________________myparents/inChina/are__________________am/I/astudent__________________主语与人称代词。Beijingisbig.MyfriendandIareinGuangzhou.ItisintheNorth.WeareinGuangzhou.Mysisiterisastudent.MycousinsareinShanghai.Sheisveryhappy.TheyareinShanghai.Myfatherisatwork.ChinaandKoreaarecountries.Heisbusy.TheyareinAsia.Youaremyteacher.MrGaoandyouaremyteachers.Youaremyteachers.1主语可以是人称代词。来代替人的名字，或者物。人称代词7个：I;we;you;he,she,it,they.三人称单数是指:he,she,it.或者一个的人，物：myfather,adog.名词单数指只有一个人或物。名词复数指两个或者两个以上的人或物，复数名词以S结尾。（adog;twodogs）主语是单数时Be动词用is,主语是复数时，用are.I后面用am.Iamastudent.Dogsareanimals.Mymotherandfatherareteachers.注意TheUnitedStates(theU.S.)虽然以S结尾，但表示单数。TheUnitedStatesisabigcountry.总结：Iam,weare,youare,heis,sheis,itis,theyare.You有两种意思：你，你们。BE动词都用are.到底是哪种意思，要看后面的名词。Youareastudent.(你)Youarestudents.（你们）当主语是另外一个人和I时。Be动词用are.并把另外一个人的名字放I之前，表示对别人的尊重。JohnandIaregoodfriends.主语用人称代词it来谈论时间和天气。BE动词用is.ItishotinGuangzhou.Itis6o’clocknow.They用来代替复数的人，复数的物。Myfriendsarehere.Theyaregoodtome.Mybooksarehere.Theyareonthefloor.练习：用正确的人称代词和Be动词填空。人称代词有：____,____,____,____,____,____,____.例：CanadaandMexicoarecountries.TheyareintheNorthAmerica.Floridaisastate.______________intheSoutheast.______________warminYunnan.ShanghaiandBeijingarebigcities.______________beautiful.______________astudent.（指自己）______________4:30.（时间）MyparentsareinGuangdong.______________inGuangzhou.YouandIarestudents.______________intheclassroomnow.______________rainingtoday.（天气）1.6Be动词用法一。用语描述主语。主语bevery形容词NewYorkCityisverybig.Peoplearehelpful.Theweatherisnice.Iamtired.BE动词+接形容词用来描述主语。形容词没有单复数形式。NewYorkisbig.NewYorkandChicagoarebig.练习：将下列形容词填入一下的空格中。有的空可填多个。Clean,interesting,big,beautiful,hot,famous,rich.Thisclassroomis_______________.Thiscityis_______________.Thiscollegeis_______________.Theweatheris_______________.Americansare_______________.Theteacheris_______________.1.7Be动词用于定义主语。（给主语分类）单数主语beAorAn(形容词)单数名词Iamastudent.Youareateacher.Guangzhouisan(interesting)city.复数名词be(形容词)复数名词GuangzhouandShanghaiare(big)cities.Weare(Chinese)students.Youare(good)teachers.1BE动词+名词表示主语是什么人，物，地方。2如果名词是单数，前面要加上a或an.当单数名词以元音开头的时候，用an.元音有：a,e,i,o,u.3复数名词前不用a,an.4名词前可以加上形容词。练习一。给下面的句子加上一个形容词。Important;eighth,big,famous,good,common,verygood.例：January1isaholiday.January1isanimportantholiday.Augustisamonth.PuertoRicoisanisland.Toyataisacompany.I’mastudent.LosAngelsandChicagoarecities.Johnisaname.练习：用正确的BE动词填空。如果是单数名词，加上不定冠词a或an.复数名词前不要用不定冠词。例：TheU.S.isabigcountry.TheU.S.andCanadaarebigcountries.California____________bigcountry.GuangzhouandShenzhen____________citiesinGuangdong.PuertoRico____________island.PuertoRicoandCuba____________islands.Thanksgivng____________Americanholiday.ChineseandEnglish____________languages.ChinaandAmerica____________countries.1.8Be动词用来表达主语的地点或者来源。介词例子On(在上面):Thebookisonthetable.Thetableisonthefloor.At(大致的地方)：Iamatschool.Mybrotherisathome.Theyareatwork.In(在里面):Thestudentsareintheclassroom.Thewastebasketisinthecorner.Infrontof(在前方)：theblackboardisinfrontofthestudents.Inbackof/behind(在后方):Theteacherisinbackofthedesk.Theblackbordisbehindtheteacher.Between(在…之间):Theemptydeskisbetweenthetwostudents.Abover/over(在上面):Theexitsignisoverthedoor.Theclockisabovetheexitsign.Under/below(在下面):Thetextbookisbelowthedesk.Theexitsignisunderthedoor.Near/by/closeto(在附近):Thesharpenerisby/closeto/nearthewindow.Nextto(在隔壁):Thelightswitchisnexttothedoor.Farfrom(相隔很远):GuangzhouisfarfromWuhan.Acrossfrom(和…对门)Room101isacrossfromRoom203.In(+城市):TheTiananmensquareisinBeijing.TheWhiteHouseisinWashingtonOn(+街道):TheWhiteHouseisonPennsylvaniaAvenue.At(+地址):TheWhiteHouseisat1600PennsylvaniaAvenue.From(来自):IamfromChina.IamfromGuangzhou.用介词来表示人，物的地点。词序是：主语+BE+介词+地点名词。练习：用BE动词和介词，说明教室里人或物的位置。例：Mybookisinmyschoolbag.Thestudentsareinfrontoftheteacher.Thisclassroom_________________________________.Theclock_________________________________.Theteacher_________________________________.Thewastbasket_________________________________.Thelightswitch_________________________________.Thechalkboard_________________________________.I_________________________________.Mybooks_________________________________.We_________________________________.This,that,these,those附近较远处单数名词Thisismyschool.Thatismyteacher.复数名词Thesearemybooks.Thosearetallbuildings.1this,that,these,those为指示代词，可以指代人或物。2this,that+is;these,those+are练习：用指示代词填空____,_______,________,________。例：Thisistheschoolcafeteria.→Thosearethecleandishes.1.___________________thestrays.→2.___________________today’sspecial.→3.___________________thenapkins.→4.___________________theforks,knivesandspoons.5.___________________thecashier.→6.___________________thevendingmachines.7.___________________theeatingarea.8.___________________theteachers’section.BE动词的否定形式1Iamnotmarried.2Peterisnotathome.3Wearenotdoctors.Be动词的否定就是在其后面加上not.2I’mnotlate.Englishisn’tmynativelanguage.Myfriendsaren’therenow.缩写形式。练习：用代词和BE动词的否定形式填空。例：Theclassroomiscleanandbig.Itisn’tdirty.Itisn’tsmall.We’reintheclassroom.___________________inthelibrary.Today’sweekday.___________________Saturday.I’mastudent.___________________ateacher.Thestudentsarebusy.__________lazy.__________tired.You’reontime.____________early.____________late.MyclassmatesandIareinanEnglishclass.___________________athome.练习：讲下面的句子改成否定句。例：MyteacherisChinese.Sheisn’tAmerican.GuangzhouandShanghaiarecities.(provinces.)I’mfromChina.(theU.S.)We’reintheclassnow.(inthelibrary.)You’remyEnglishteacher.(mymathteacher)You’reAmerican.(I)Januaryisacoldmonth.(JulyandAugust)练习：根据实际情况填空。Mynameis________.I________fromanEnglish-speakingcountry.I________astudentinGuangzhou.I________inmyEnglishclassnow.Theclass________big.Myteacher________aman.He/She________veryyoung.Theclassroom________verynice.It________clean.Myclassmates________allveryyoungstudents.We________allfromthesamecountry.We________happytolearnEnglish.English________veryeasyforme.It________ausefullanguage.Be动词在Yes/No的一般疑问句中。陈述句Yes/No一般疑问句简短回答Iamastudent.AmIastudent?Yes,youare.YouarefromChina.AreyoufromWuhan?No,I’mnot.Heislate.Isheabsent?No,heisn’t.Sheismarried.Isshehappy?Yes,sheis.Itiscoldtoday.Isitwindy?Yes,itis.Wearehere.Arewelate?No,youaren’t.Theyarenewstudents.AretheyfromShanghai?Yes,theyare.1在用Yes/No一般疑问句提问时，把be动词提到主语之前。句尾加问号。回答时：Yes,+人称代词+BE。No,+人称代词+BE+not.Istheteacherheretoday?Yes,sheis.No,sheisn’t.练习：根据实际情况回答下面问题。例：Isyourbooknew?Yes,itis./No,itisn’t.IsGuangzhoubig?IsChineseyournativelanguage?IsEnglishhardforyou?AreyoufromShenzhen?Areyouastudent?Arethesequestionshard?AmIagoodteacher?Areyouaboy?练习：用下面的单词写出一个一般疑问句。并回答。例：school/big.Ishisschoolbig?Yes,itis.Thisschool/nearyourhouse.Thisschool/nearpublictransportation.Mother/athome.Thisclass/freeTheteacher/strick.Theroom/cleanTheclassroom/big.You/anewstudentYou/fromChina.You/happyinGuangzhouSports/popularinGuangzhouEducation/freeinGuangzhouWh-特殊疑问词引导的特殊疑问句。Wh-特殊疑问词Be主语Be补语回答Guangzhouisacity.IsGuangzhouinGuangdong?Yes,itis.WhereisGuangzhou?BeijingisthecapitalofChina.IsBeijinginthesouthofChina?No,itisn’t.WhereisBeijing?特殊疑问词有：who,what,when,why,where,how.特殊疑问词特殊疑问句回答Who=人(谁)Whoisyourteacher?MyteacherisMs.Zhou.What=物(什么)Whatisyourname?MynameisLinda.WhatisSpringFestival?Itisaholiday.When=时间(什么时候)WhenisChristmas?It’sinDecember.用介词in表示年，月It'sonDecember25.用介词on表示日，星期。It’sonSaturdaythisyear.Why=原因(为什么)Whyareyoulate?BecauseIgotuplate.Where=地点(在哪里)WhereisChina?It’sinAsia.Whereareyourbooks?They’reonthedesk.Whereareyoufrom?I’mfromGuangzhou.How=描述，身体(怎么样)Howisyourlifeinschool?It’sgood.Howistheweathertoday?It’swarmtoday.Howisyourmother?Sheisfine.Which=选择(哪个)Whichbookdoyouwant?Iwantthatbook.练习：用正确的特殊疑问词和Be动词填空Example：What’syourname?MynameisFrank.__________Guangzhou?It’sinGuangdong.__________yourbirthday?It’sinJune.__________yourteacher?MyteacherisMs.Zhou.__________arose?Aroseisaflower.__________youlate?I’mlatebecauseoftraffic.__________yourparents?They’reinmycountry.__________you?I’mfine.Andyou?__________theteacher’soffice?It’sinthesecondfloor.__________therestrooms?Theyareattheendofthehall.__________LaborDayinChina?It’sinMay.__________wehere?WeareherebecausewewanttolearnEnglish.__________theweathertoday?It'scloudyandcool.What和how的疑问句。What名词Be补语回答Whatisarose?Itisaflower.Whatnationalityistheteacher?She’sChinese.Whatkindofbookisit?It’sanEnglishbook.Whatdayistoday?It’sFriday.Whattimeisit?It’s4o’clock.Whatcolorareyournewshoes?Theyareblack.说明：what后面可以加上名词。Whattime,whatday,whatcolorHow形容词Be补语回答Howisyournewjob?It’sgrea