be動詞用法全解

1、Be動詞的三種形式(am,is,are)(一般現(xiàn)在時態(tài)中)IMyfather(He)Mysister(She)Guangzhou(it)We(LucyandI)Youaminguangzhounow.inShanghai.isinWuhan.acity.students.areateacher.They(GuangzhouandWuhan)cities.練習：用am,is,are填空。1 .TheU.S.abigcountry.2 .GuangzhouoneofthelargestprovinceinChina.3 .GuangzhouandShanghaimordencities.4 .We

2、inGuangzhounow.5 .IastudentinXXschool.6 .LucyandIteenagers.7 .Davidmyclassmate.8 .Youmybestfriend.9 .Mydogmybestfriend.10 .Mymotherandsisterathome.1.1 Be動詞位置。1 主語Be補語amfromChina.Chinaisacountry.Chinaisbig.Chineseismynativelanguage.YouarefromGuangzhou.ItishotinWuhan.2 1主語放在句首。作主語的為：人一或物口從主語看出我們在談論的是誰

3、或仕么2Be動詞am,is,are放在主語的后面。3最后面的都是補語。以補語結(jié)束句子。補語表明主語的：屆丁哪類；地點；對主語描述等。練習：用下面的單詞，組成正確的句子。并說明是BE動詞的哪種用法。1. 例子：big/theU.S.A./isTheU.S.A.isbig.(對主語分類)is/beautiful/Chinais/Texas/abigstatehottoday/it/istheteacher/from/is/NewYork.2. years/mybrother/is/25/old.1.2 abigcountry/America/isintheclassroom/are/thestud

4、entsthemap/onpage3/ismyparents/inChina/aream/I/astudent主語與人稱代詞。Beijingisbig.MyfriendandIareinGuangzhou.ItisintheNorth.WeareinGuangzhou.Mysisiterisastudent.MycousinsareinShanghai.Sheisveryhappy.TheyareinShanghai.Myfatherisatwork.ChinaandKoreaarecountries.Heisbusy.TheyareinAsia.Youaremyteacher.MrGaoan

5、dyouaremyteachers.Youaremyteachers.1主語可以是人稱代詞。來代替人的名字,或者物_。人稱代詞7個:I;we;you;he,she,it,they.三人稱單數(shù)是指:he,she,it.或者一個的人，物：myfather,adog.2名詞單數(shù)指只有一個人或物。名詞復數(shù)指兩個或者兩個以上的人或物.復數(shù)名詞以S結(jié)尾。(adog;twodogs)主語是單數(shù)時Be動詞用is,主語是復數(shù)時，用are.I后面用am.Iamastudent.Dogsareanimals.Mymotherandfatherareteachers.注意TheUnitedStates(theU.S.

6、)雖然以S結(jié)尾，但表示單數(shù)。TheUnitedStatesisabigcountry.總結(jié)：Iam,weare,youare,heis,sheis,itis,theyare.3 You有兩種意思:你，你們。BE動詞都用are.到底是哪種意思，要看后4 面的名詞。Youareastudent.（你）Youarestudents.（你們）當主語是另外一個人和I時。Be動詞用are.并把另外一個人的名字放I之前，表示對別人的尊重。JohnandIaregoodfriends.5 主語用人稱代詞it來談論時間和天氣。BE動詞用is.ItishotinGuangzhou.Itis6o'clock

7、now.6 They用來代替復數(shù)的人，復數(shù)的物。Myfriendsarehere.Theyaregoodtome.Mybooksarehere.Theyareonthefloor.練習：用正確的人稱代詞和Be動詞填空。人稱代詞有：例：CanadaandMexicoarecountries.TheyareintheNorthAmerica.1. FheSoutheast.2. warminYunnan.3. ShanghaiandBeijingarebigcities.beautiful.6. astudent.（指自己）5.4:30.（時間）Myparent

8、sareinGuangdong.inGuangzhou.7. YouandIheclassroomnow.rainingtoday.（天氣）主語NewYorkCityPeopleTheweatherI1.6Be動詞用法一。用語描述主語bevery形容詞isverybig.arehelpful.isnice.amtired.BE動詞+接形容詞用來描述，語。形容詞沒有單復數(shù)形式。NewYorkisbig.NewYorkandChicagoarebig.練習：將下列形容詞填入一下的空格中。有的空可填多個。Clean,interesting,big,beautiful,h

9、ot,famous,rich.1. Thisclassroomis.2. Thiscityis.3. Thiscollegeis.4. Theweatheris.5. Americansare.6. Theteacheris.1.7Be動詞用丁定義主語。(給主語分類)單數(shù)主語IbeAorAn（形容詞）單數(shù)名詞amastudent.Youareateacher.Guangzhouisan(interesting)city.復數(shù)名詞be(形容詞）復數(shù)名詞GuangzhouandShanghaiWeYouare(big)citiesare(Chinese)students.are(good)teac

10、hers.1BE動詞+名詞表示主語是什么人，物，地方。2如果名詞是單數(shù)，前面要加上a或an.當單數(shù)名詞以元音開頭的時候，用an.元音有：a,e,i,o,u.3復數(shù)名詞前不用a,an.4名詞前可以加上形容詞。練習一。給下面的句子加上一個形容詞。Important;eighth,big,famous,good,common,verygood.例：January1isaholiday.-January1isanimportantholiday.1. Augustisamonth.2. PuertoRicoisanisland.3. Toyataisacompany.4. I'mastuden

11、t.5. LosAngelsandChicagoarecities.6. Johnisaname.練習：用正確的BE動詞填空。如果是單數(shù)名詞，加上不定冠詞a或an.復數(shù)名詞前不要用不定冠詞。例：TheU.S.isabigcountry.TheU.S.andCanadaarebigcountries.1. Californiabigcountry.2. GuangzhouandShenzhencitiesinGuangdong.3. PuertoRicoisland.4. PuertoRicoandCubaislands.5. ThanksgivngAmericanholiday.6. Chin

12、eseandEnglishlanguages.7. ChinaandAmericacountries.1.8 Be動詞用來表達主語的地點或者來源。介詞例子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.Inba

13、ckof/behind（在后方）:Theteacherisinbackofthedesk.Theblackbordisbehindtheteacher.Between（在之間）:Theemptydeskisbetweenthetwostudents.Abover/over（在上面）:Theexitsignisoverthedoor.Theclockisabovetheexitsign.Under/below（在下面）:Thetextbookisbelowthedesk.Theexitsignisunderthedoor.Near/by/closeto（在附近）：nearthewindow.Ne

14、xtto（在隔壁）：ThelightswitchFarfrom（相隔很遠）:GuangzhouAcrossfrom（和對T）Room101Thesharpenerisby/closeto/isnexttothedoor.isfarfromWuhan.isacrossfromRoom203.In（+城市）:TheTiananmensquareisinBeijing.TheWhiteHouseisinWashington,D.C.On（+街道）:TheWhiteHouseisonPennsylvaniaAvenue.At（+地址）:TheWhiteHouseisat1600Pennsylvania

15、Avenue.From（來自）:IamfromChina.IamfromGuangzhou.1. 用介詞來表示人，物的地點。詞序是：主語+BE+介詞+地點名詞。練習：用BE動詞和介詞，說明教室里人或物的位置例：Mybookisinmyschoolbag.Thestudentsareinfrontoftheteacher.1. Thisclassroom.2. Theclock.3. Theteacher.4. Thewastbasket.5. Thelightswitch.6. Thechalkboard.7. I.8. Mybooks.9. We.This,that,these,those較

16、遠處Thatismyteacher.附近單數(shù)名詞Thisismyschool.復數(shù)名詞Thesearemybooks.Thosearetallbuildings.1 this,that,these,those為指示代詞，可以指代人或物。this,that+is;these,those+are練習：用指示代詞填空,。例：Thisistheschoolcafeteria.Thosearethecleandishes.thestrays.today，sspecial.thenapkins.theforks,knivesandspoons.thecashier.thevendingmachines-t

17、heeatingarea.theteachers，section.BE動詞的否定形式Iamnotmarried.2Peterisnotathome.3Wearenotdoctors.Be動詞的否定就是在其后面加上not.1 I'mnotlate.Englishisn'tmynativelanguage.Myfriendsaren'therenow.縮寫形式。練習：用代詞和匪動詞的否定形式填空。例：Theclassroomiscleanandbig.Itisn'tdirty.Itisn'tsmall.1.Whesweekday.

18、_heSaturday.2.Today'3.I'mastudent.ateacher.4.Thestudentsarebusy._lazy.tired.5.You'reontime.early._late.6.MyclassmatesandIareinanEnglishclass.athome.練習：講下面的句子改成否定句。例：MyteacherisChinese.Sheisn'tAmerican.1. GuangzhouandShanghaiarecities.(provinces.)2. I'mfromChina.(theU

19、.S.)3. Wereintheclassnow.(inthelibrary.)4. You'remyEnglishteacher.(mymathteacher)5. You'reAmerican.(I)Januaryisacoldmonth.(JulyandAugust)練習：根據(jù)實際情況填空。Mynameis.IfromanEnglish-speakingcountry.IastudentinGuangzhou.IinmyEnglishclassnow.Theclassbig.Myteacheraman.He/Sheveryyoung.Theclassroomverynic

20、e.Itclean.Myclassmatesallveryyoungstudents.Weallfromthesamecountry.WehappytolearnEnglish.Englishveryeasyforme.Itausefullanguage.1.9 Be動詞在Yes/No的一般疑問句中。陳述句Yes/No一般疑問句簡短回答Iamastudent.AmIastudent?Yes,youareYouarejfromChina.AreyoufromWuhan?No,I'mnotHeislate.Isheabsent?No,heisn't.Sheismarried.Iss

21、hehappy?Yes,sheis.Itiscoldtoday.Isitwindy?Yes,itisWearehere.Arewelate?No,youaren't.Theyarenewstudents.AretheyfromShanghai?Yes,theyare.1在用Yes/No一般疑問句提問時，把be動詞提到主語之前。句尾加問號c回答時：Yes,+人稱代詞+BE。No,+人稱代詞+BE+not.Istheteacherheretoday?Yes,sheis.No,sheisn't.練習：根據(jù)實際情況回答下面問題。例：Isyourbooknew?Yes,itis./No,

22、itisn't.1. IsGuangzhoubig?2. IsChineseyournativelanguage?3. IsEnglishhardforyou?4. AreyoufromShenzhen?5. Areyouastudent?6. Arethesequestionshard?7. AmIagoodteacher?8. Areyouaboy?練習：用下面的單詞寫出一個一般疑問句。并回答例：school/big.Ishisschoolbig?Yes,itis.1. Thisschool/nearyourhouse.2. Thisschool/nearpublictranspo

23、rtation.3. Mother/athome.4. Thisclass/free5. Theteacher/strick.6. Theroom/clean7. Theclassroom/big.8. You/anewstudent9. You/fromChina.10. You/happyinGuangzhou11. Sports/popularinGuangzhouEducation/freeinGuangzhou1.12Wh-特殊疑問詞引導的特殊疑問句Wh-特殊疑問詞Be主語Be補語回答Guangzhouisacity.IsGuangzhouinGuangdong?Yes,itis.W

24、hereisGuangzhou?Beijingis1thecapitalofChina.itisn't.IsBeijinginthesouthofChina?No,WhereisBeijing?特殊疑問詞有：who,what,when,why,where,how.特殊疑問詞特殊疑問句回答Who=人（誰）Whoisyourteacher?MyteacherisMs.Zhou.What=物（什么）Whatisyourname?MynameisLinda.WhatisSpringFestival?Itisaholiday.When=時間（什么時候）WhenisChristmas?It'sinDecember.用介詞in表示年，月It'sonDecember25.用