中考英语二轮复习课件 be 动词

Be动词7谁在一般现在时的时态中，be动词有三种形式：amisareIamastudent.我是一名学生。

Iam还可缩写成I'm。如：I'mDavid.我是大卫。Be动词用法之amCanyoumakeasentencewiththeword”am”?Iamastudent.I'mDavid.(Iam=I’m)I用amIamastudent.我是一名学生。

Iam还可缩写成I'm。如：I'mDavid.我是大卫。Be动词用法之isCanyoumakeasentencewiththeword”is”?Heisastudent.Sheisfunny.Itisacat.is用于她他它单数is

Iamastudent.我是一名学生。

Iam还可缩写成I'm。如：I'mDavid.我是大卫。Be动词用法之areCanyoumakeasentencewiththeword”are”?Youareverysmart.Theyarestudents.are用于you复数are

7谁Summary我（I)用am,你(you)用are，

is连着他(he)、她(she)、它(it);

单数is复数are。7谁Exercise

amareistheyheweyouitI1.Lisa___agirl.2.____youinGradeFour?No,I___not.I___inGradeFive.3.TonyandJenny___goodfriend.4.___Benyourbrother?Yes,he____.5.Mymother____inthekitchen.Exercise1.Lisa___agirl.2.TonyandJenny___goodfriend.3.Mymother____inthekitchen.isisareBe动词的否定形式

amnot=amnot(没有缩写形式）isnot=isn’tarenot=aren’t+not1.agirl.2.____youinGradeFour?No,I___not.I___inGradeFive.3.TonyandJenny___goodfriend.4.___Benyourbrother?Yes,he____.5.Mymother____inthekitchen.Exercise1、Thisisaruler.（改为否定句）2、Iamateacher.（改为否定句）3、WearefromBeijing.（改为否定句）Iamnotateacher.Thisisnotaruler.WearenotfromBeijing.

一般疑问句是只用yes（是）或no（否）来回答的句子。含be动词的一般疑问句是什么形式？如何回答呢？Iamastudent.Areyouastudent?Yes,Iam.No,Iam

not.Heisastudent.Isheastudent?Yes,heis.No,heisn’t.Theyarestudents.Aretheystudents?Yes,theyare.No,theyaren’t.变疑问，be提前7谁Summary我（I)用am,你(you)用are，

is连着他(he)、她(she)、它(it);

单数is复数are；变否定，be加not；变疑问，be提前。()1.—Where____theyfrom?—They’refromChina.is B.am C.areExercise()1.—IssheHelen?—No,she____.is B.isn’tC.aren’t

()2.Mary____fromCanada.