Unit3SectionAGrammarFocus3c课件人教版英语七年级上册

Unit3Isthisyourpencil?GrammarFocus-3cLearningobjects（学习目标）Keywords&phrases:mine;hers;his;yours.Keysentences:1.—Isthisyourpencil?

—Yes,itis.It’smine./No,itisn’t.It’shers.2.—Isthatyourschoolbag?

—Yes,itis./No,itisn’t.It’shis.3.—Aretheseyourbooks?—Yes,theyare./No,theyaren’t.They’rehers.4.—Arethoseherkeys?

—Yes,theyare./No,theyaren’t.They’remineHowcanwefindouttheownersofthelostthings?Wecanfindtheownersaccordingtothefeatures(colors,shapes,sizes...)ofthelostthings.LisaHelenDaleCindyBobNo,itisn't.It'sCindy's.CindyExpressIsthisyoureraser,Bob?LisaHelenDaleCindyBobYes,itis.It'smyblackpencil.BobExpressHowaboutthepencil?GrammarFocusIsthisyourpencil?Yes,itis.It'smine./No,itisn't.It'shers.Isthisgreenpen?Yes,itis./No,itisn't.Thebluepenishis.Isthatyourschoolbag?Yes,itis./No,itisn't.It'shis.Aretheseyourbooks?Yes,theyare./No,theyaren't.They'rehers.Arethoseherkeys?Yes,theyare./No,theyaren't.They'remine.=itis=isnot=arenot单数复数含有be动词的一般疑问句注意区分its和it's,it's=itis它是its它的Isthisyourpencil?Yes,itis.It’smine.No,itisn’t.It’shers.Isthishisgreenpen?Yes,itis.No,itisn’t.Thebluepenishis.Isthatyourschoolbag?Yes,itis.No,itisn’t.It’shis.Aretheseyourbooks?Yes,theyare.No,theyaren’t.They’rehers.Arethoseherkeys?Yes,theyare.No,theyaren’t.They’remine.GrammarFocus请总结含be动词的一般疑问句结构和简略回答。Isthis/that+形物代+n.(单)?Arethese/those+形物代+n.(复)

?课堂探究1一般疑问句是在句子中用提问的方式提供一些信息，要求对方用

___________回答的疑问句。朗读一般疑问句时用______,对其回答时用________。本单元我们学习的是含有be动词的一般疑问句。含be动词的一般疑问句语法概述结构:Be动词(am/is/are)+主语+其他?（Be动词要和主语的人称和数保持一致）升调降调Yes或No探究小结1Presentation含有be动词一般疑问句的结构及其答语结构：Be动词（am/is/are)主语其他注意：Be动词要和主语的人称和数保持一致。肯定回答否定回答Yes,主语+be动词(am/is/are).No,主语+be动词(am/is/are)+not.(主语和be动词不能缩写)(通常is,are和not要缩写，但am和not不能缩写)如果一般疑问句主语是this,that,these或those，回答时用___指代this或that；用____指代these或those。①—这是你的钢笔吗？—是的，它是。—Isthisyourpen?—Yes,itis.②—

这些是你的书吗？—

不，它们不是。—Aretheseyourbooks?—No,theyaren’t.

不可以缩写成it’sittheyPresentationThisisyourpen.Thatishiseraser.Theseareyourbooks.Thoseareherkeys.Isthisyourpen?含有be动词的肯定句变一般疑问句Isthathiseraser?Aretheseyourbooks?Arethoseherkeys.?Presentation含有be动词的肯定句变一般疑问句一提指的是将be动词提到句首，且首字母大写。二变三问号把原主语的首字母变成小写;如果原主语为第一人称，则应把第一人称变为第二人称，be动词也要作出相应的变化;如果有形容词物主代词my,也应改为your。将句末的标点符号改为问号。（1）一提：指的是将be动词提到句首，且首字母大写。（2）二改：把原主语的首字母变成小写；如果原主语为第一人称，则应把第一人称变为第二人称，be动词也要作出相应的变化；如果有形容词物主代词my，也应改为your。（3）三变：将句末的标点符号改为问号。含be动词的肯定句变一般疑问句即时演练：Issheateacher?AreyouTony?Arethoseyourpens?Isthisherbook?1.Sheisateacher.2.Thisisherbook.3.IamTony.4.Thosearemypens.口诀：一提、二改、三变Thisismypencil.Isthisyourpencil?含有be动词的陈述句变为一般疑问句的步骤形容词性物主代词和名词性物主代词表人称一二三单复单/复单单单复形代myouryourhisheritstheir名代mineoursyourshishersitstheirs名词性物主代词，相当于一个名词，可以在句子中单独使用。它相当于“形容词物主代词+名词”。而形容词性物主代词只能和名词在一起使用mypen=mineherkey=hershisbooks=hisyourruler=yoursIsthisyourpencil?Yes,itis.It’smine.No,itisn’t.It’shers.Isthishisgreenpen?Yes,itis.No,itisn’t.Thebluepenishis.Isthatyourschoolbag?Yes,itis.No,itisn’t.It’shis.Aretheseyourbooks?Yes,theyare.No,theyaren’t.They’rehers.Arethoseherkeys?Yes,theyare.No,theyaren’t.They’remine.mypencilherpencilhispenhisschoolbagherbooksmykeys请找出所有的物主代词，并解释其含义。GrammarFocus课堂探究2人称单数复数主格宾格主格宾格第一人称

第二人称第三人称人称代词主格作主语，宾格作宾语meyouhim

heritusyouthemIyouhe

sheitweyouthey

单数复数第一人称第二人称第三人称第一人称第二人称第三人称形容词性物主代词myyourhisheritsouryourtheir名词性物主代词含义我的你的他的她的它的我们的你们的他们的物主代词数人称类别mineyourshishersitsoursyourstheirs表示所有关系的代词叫作物主代词物主代词

语法概述人称一二三单复单/复单单单复形物代myouryourhisheritstheir名物代mineoursyourshishersitstheirs(1)

名词性物主代词，相当于一个_______，可以在句子中单独使用（作主语、表语、宾语）。(2)名词性物主代词相当于“形容词物主代词+_______”。而_______________________只能和名词在一起使用。形容词性物主代词名词名词探究小结21.Thisishereraser.(改一般疑问句)2.IsthatMary’spen?(否定回答)3.Thesearemybooks.(改为一般疑问句）4.Ishispenhere?(肯定回答)Isthishereraser?No,itisn’t.Yes,itis.Practice:Aretheseyourbooks?e.g.(1)Thisisyourruler.It’snotmyruler.(=Thisruleris_______.It’snot_____.)

这是你的尺子，它不是我的。

(2)Thosearen’t

hisbooks.They’re

herbooks.(=Thosebooksaren’t____.They’re_____.)

那些书不是他的。它们是她的。yoursminehishers1.Yourbookishere.______（我的)isoverthere2.ThiscupisnotLily’s.______（她的）iswhite.3.Thedictionariesare________（我们的）.4.Mypenisblue.Whatabout_______（你的）？MineHersyoursours作主语作主语作表语作宾语名词所有格表示无生命事物的所有关系，用“名词A

+of+名词B”结构，指前者属于后者。表示有生命事物的所有关系，在名词后加’s来表示所属关系，意为“……的”。aphotoofmyfamily一张家庭照片ExamplesExamplesamapofChina一张中国地图Anna’sschoolbag安娜的书包Bob’sbook鲍勃的书表示有生命事物的所有关系时，名词所有格有以下几种情况：单数名词，词尾直接加’sTom’sbook汤姆的书myuncle’s

car我叔叔的小汽车以-s结尾的复数名词，词尾加’teachers’office教师办公室不规则复数名词，词尾加’sWomen’sDay妇女节Children’sDay

儿童节名词所有格表示事物所属关系，类似形容词物主代词1、's表示的所有格

Bob's鲍勃的2、of表示的所有格thenameofthebook书的名字一般的单数名词在词尾直接加“'s”Tom’sbook汤姆的书myuncle’scar我叔叔的小汽车以-s结尾的复数名词在词尾加“'”thestudents’basketball学生们的篮球不以s结尾复数名词在词尾加“'s”Women’sDay妇女节Children’sDay儿童节They’reBob’s.

It’sHelen’s.名词所有格课堂探究3①MaryandAlice’shouse

big.

②Mary’sandAlice’shouses___big.isare共有不共有用and

连接两个并列的单数名词表示共有时，只需在后一个名词词尾加”-’s”，谓语动词用单数，若不是则两个名词均需加”-’s”，谓语动词用复数e.g._____roomlooksveryclean.A.Bob’sandDave’sB.Bob’sandDave’sC.Bob’sandDaveD.BobandDaveA探究小结3What’sthisinEnglish?It’s________.aneraserIsthisyoureraser?No,itisn’t.It’s___(他的).hisArethesehispencils?No,they____.Theyare____(她的).aren’thersCompletethequestionsandanswersabouteachpicture.P153aIs________yourbook?Are________mypencils?Is_______hisruler?Are________hispens?Yes,itis.No,it_______.Yes,______are.No,theyaren't.Yes,it_____.No,itisn't.Yes,theyare.No,they______.thisisn’tthesetheythatisthosearen’t一般疑问句主语是this/that/these/those，回答时用it指代this/that；用they指代these/those。PresentationLet'sreadtheconversationafterthetape.Teacher:Hi,Anna.Aretheseyourpencils?Anna:

No,they’reBob's.Teacher:

Andisthishisgreenpen?Anna:

No,itisn't.Thebluepenishis.Teacher:

Whataboutthisdictionary?Anna:It'sHelen's.Andthegreenpenis

hers,too.Teacher:

Andtheeraser?Isthatyours?Anna:

Yes,itis.Teacher:Thankyouforyourhelp,Anna.Anna:You're

welcome.Readthequestionsandcompletetheanswers.3b1.Isthisherruler?Yes,_______.It’s______.2.IsthatEric’sschoolbag?No,_______.______Sally’s.3.Arethesehispencils?Yes,_________.They’re_____.4.ArethoseAnna’sbooks?No,__________.______mine.itishersitisn’tIt’stheyarehistheyaren’tThey’re

ProductionPutsomethingsintotheteacher’sbox.Thentakeonethingoutoftheboxandfindtheowner.Youonlyhavetwoguesses!在老师的盒子里放一些物品，然后取出一件物品并找到物品的主人。你只可以猜两次！3c(

)1.

-Sonia,

is

this

your

dictionary?-No,

it

isn‘t

.It’s

.

A.

my;

himB.

my;

hisC

mine;

himD.

mine;

his

(

)2.--What's

this?--

It's

eraser.

--Is

it

eraser?--Yes,

it

is.

A.an;

yourB.

an;

yoursC.a;

yourD.

a;

yours单项选择DA()3.当你打扰别人时，你应该说

A.

Excuse

meB.

How

are

you?

C.

SorryD.

Hello

()4.-The

blue

pen

is

Paul’s.

the

green

pen?

-

It

is

Helen's.

A.

What

aboutB.

What

isC.

WhoD.

How

is()5.-Are

these

your

books?

-No.

They

are

.

A.

myB.

your

C.

hisD.

herAACExercises1.Dale’sfatherisateacher.______isateacher,too.

A.IB.MyC.MineD.Me2. This is my book. ＿＿ is over there.    A. Your     B. Yours     C. You     D. Mine3.Who