Be动词（课件）通用版英语

be变变变Situationintroduced变变变beamisareNewcontentsambeisare人称代词Example：主格IweyouheshetheyamIeg:

Iamagirl.Iamtall.WhoamI?IamTheshortformof“Iam”：I'meg:I'magirl.I'mshort.I'mKitty.我（I）用amishesheitHeisaboy.Sheisagirl.Itisadog.Thepencilislong.Kittyisthin.Themilkiswhite.is用于单数名词、一个人的名字和不可数名词。is连着她、他、它

youwethey所有复数名词areYouareaboy.Youarefriends.Wearefriends.Theyarefriends.Theyaremonkeys.Myeyesarebig.你(you)用arerfrefmjm动动脑：1.I

agirl.am

B.is

C.are2.He

aboy.A.am

B.is

C.are3.We

boys.A.am

B.is

C.are4.Myfather

adoctor.A.am

B.is

C.are5.TomandJack

boys.A．am

B.is

C.are6.This

adesk.A.am

B.is

C.areABCBCBrfrefmjm7.They

late.A.am

B.is

C.are8.You

clever.

A.am

B.is

C.are9.Thecloud

white.A.am

B.is

C.are10.I

astudent.

You

ateacher.A.am

is

B.am

are

C.is

are11.We

friends.

A.am

B.is

C.are12.He

myfather.

She

mymother.

They

bothdoctors.

A.isisare

B.amisare

C.isisam归纳am、is、are的用法规律：

我（I)用_______;你(You)用_______;_____连着它(It）、她（she）、他(he)单数名词都用_______;复数名词都用————。amareisisareIamAliceWang.Iam

apupil.Iam

nineyearsold.Iamtall.Nicetomeetyou.I’mnotAliceWang.I’m

notapupil.I’m

notnineyearsold.I’m

nottall.Nicetomeetyou.Iam

I’mI’mnotYou’reSunny.You’reateacher.Youaretall.Youarethin.Nicetomeetyou.notnotaren’tYouare

You’re

Youaren’taren’tSheissheisn’tSheisaqueen.Sheisbig.Sheislovely.isn’tisn’tisn’trfrefmjmbe动词的缩写Iam=I’mYouare=You’reHeis=He’sSheis=Weare=Itis=Theyare=She’sWe’reIt’sThey’re否定形式的缩写：isnot=isn’tarenot=aren’tamnot没有缩写形式！rfrefmjmbe动词的否定句1.Heisateacher.Heis

notateacher.2.Theyaretwins.变否定，be动词后加notTheyare

nottwins.Iamagoodstudent.练一练Iamnotagoodstudent.肯定句变否定句1)

I

am

astudent.

I’mnotastudent.2)They

are

blue.Theyaren’tblue.3)Heisadoctor.

Heisn’tadoctor

.课后练习：1.将下列句子变成否定句。1.Iamateacher.I

ateacher.2.Wearestudents.We

students.3.Janeisagirl.Jane

agirl.

amnotaren’t

isn’t2.填写：isamare1、You____Kitty.You___short.2、I____aboy.I____fat.3、____youaboy?No,I____agirl.4、Kitty___agirl.She___short.5、Peter___aboy.He___tall.6、This_____acat.They____cats.7、Thebird___smallandthedog___big.8、What____they?They____eleph