be动词用法全解.docx
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be动词用法全解
1.1Be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。
1.TheU.S._______abigcountry.
2.Guangzhou_______oneofthelargestprovinceinChina.
3.GuangzhouandShanghai_______mordencities.
4.We_______inGuangzhounow.
5.I_______astudentinXXschool.
6.LucyandI_______teenagers.
7.David_______myclassmate.
8.You_______mybestfriend.
9.Mydog_______mybestfriend.
10.Mymotherandsister_______athome.
1.2Be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)
1.is/beautiful/China__________________
2.is/Texas/abigstate__________________
3.hottoday/it/is__________________
4.theteacher/from/is/NewYork.__________________
5.years/mybrother/is/25/old.__________________
6.abigcountry/America/is__________________
7.intheclassroom/are/thestudents__________________
8.themap/onpage3/is__________________
9.myparents/inChina/are__________________
10.am/I/astudent__________________
1.3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.
2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.
3You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)
4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.
5主语用人称代词it来谈论时间和天气。
BE动词用is.ItishotinGuangzhou.Itis6o’clocknow.
6They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.
1.Floridaisastate.______________intheSoutheast.
2.______________warminYunnan.
3.ShanghaiandBeijingarebigcities.______________beautiful.
4.______________astudent.(指自己)
5.______________4:
30.(时间)
6.MyparentsareinGuangdong.______________inGuangzhou.
7.YouandIarestudents.______________intheclassroomnow.
8.______________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.
1.Thisclassroomis_______________.
2.Thiscityis_______________.
3.Thiscollegeis_______________.
4.Theweatheris_______________.
5.Americansare_______________.
6.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.
1.Augustisamonth.
2.PuertoRicoisanisland.
3.Toyataisacompany.
4.I’mastudent.
5.LosAngelsandChicagoarecities.
6.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.
1.California____________bigcountry.
2.GuangzhouandShenzhen____________citiesinGuangdong.
3.PuertoRico____________island.
4.PuertoRicoandCuba____________islands.
5.Thanksgivng____________Americanholiday.
6.ChineseandEnglish____________languages.
7.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.TheWhiteHouseisinWashington,D.C.
On(+街道):
TheWhiteHouseisonPennsylvaniaAvenue.
At(+地址):
TheWhiteHouseisat1600PennsylvaniaAvenue.
From(来自):
IamfromChina.IamfromGuangzhou.
1.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.
1.Thisclassroom_________________________________.
2.Theclock_________________________________.
3.Theteacher_________________________________.
4.Thewastbasket_________________________________.
5.Thelightswitch_________________________________.
6.Thechalkboard_________________________________.
7.I_________________________________.
8.Mybooks_________________________________.
9.We_________________________________.
1.9This,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.
1.10BE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.
1.We’reintheclassroom.___________________inthelibrary.
2.Today’sweekday.___________________Saturday.
3.I’mastudent.___________________ateacher.
4.Thestudentsarebusy.__________lazy.__________tired.
5.You’reontime.____________early.____________late.
6.MyclassmatesandIareinanEnglishclass.___________________athome.
练习:
讲下面的句子改成否定句。
例:
MyteacherisChinese.Sheisn’tAmerican.
1.GuangzhouandShanghaiarecities.(provinces.)
2.I’mfromChina.(theU.S.)
3.We’reintheclassnow.(inthelibrary.)
4.You’remyEnglishteacher.(mymathteacher)
5.You’reAmerican.(I)
6.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.
1.11Be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.
1.IsGuangzhoubig?
2.IsChineseyournativelanguage?
3.IsEnglishhardforyou?
4.AreyoufromShenzhen?
5.Areyouastudent?
6.Arethesequestionshard?
7.AmIagoodteacher?
8.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.
1.Thisschool/nearyourhouse.
2.Thisschool/nearpublictransportation.
3.Mother/athome.
4.Thisclass/free
5.Theteacher/strick.
6.Theroom/clean
7.Theclassroom/big.
8.You/anewstudent
9.You/fromChina.
10.You/happyinGuangzhou
11.Sports/popularinGuangzhou
12.Education/freeinGuangzhou
1.12Wh-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,w