Unit3SectionAGrammarFocus3c課件人教版英語七年級上冊

Unit3Isthisyourpencil?GrammarFocus-3cLearningobjects（學(xué)習(xí)目標(biāo)）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單數(shù)復(fù)數(shù)含有be動詞的一般疑問句注意區(qū)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請總結(jié)含be動詞的一般疑問句結(jié)構(gòu)和簡略回答。Isthis/that+形物代+n.(單)?Arethese/those+形物代+n.(復(fù))

?課堂探究1一般疑問句是在句子中用提問的方式提供一些信息，要求對方用

___________回答的疑問句。朗讀一般疑問句時用______,對其回答時用________。本單元我們學(xué)習(xí)的是含有be動詞的一般疑問句。含be動詞的一般疑問句語法概述結(jié)構(gòu):Be動詞(am/is/are)+主語+其他?（Be動詞要和主語的人稱和數(shù)保持一致）升調(diào)降調(diào)Yes或No探究小結(jié)1Presentation含有be動詞一般疑問句的結(jié)構(gòu)及其答語結(jié)構(gòu)：Be動詞（am/is/are)主語其他注意：Be動詞要和主語的人稱和數(shù)保持一致。肯定回答否定回答Yes,主語+be動詞(am/is/are).No,主語+be動詞(am/is/are)+not.(主語和be動詞不能縮寫)(通常is,are和not要縮寫，但am和not不能縮寫)如果一般疑問句主語是this,that,these或those，回答時用___指代this或that；用____指代these或those。①—這是你的鋼筆嗎？—是的，它是。—Isthisyourpen?—Yes,itis.②—

這些是你的書嗎？—

不，它們不是?！狝retheseyourbooks?—No,theyaren’t.

不可以縮寫成it’sittheyPresentationThisisyourpen.Thatishiseraser.Theseareyourbooks.Thoseareherkeys.Isthisyourpen?含有be動詞的肯定句變一般疑問句Isthathiseraser?Aretheseyourbooks?Arethoseherkeys.?Presentation含有be動詞的肯定句變一般疑問句一提指的是將be動詞提到句首，且首字母大寫。二變?nèi)龁柼柊言髡Z的首字母變成小寫;如果原主語為第一人稱，則應(yīng)把第一人稱變?yōu)榈诙朔Q，be動詞也要作出相應(yīng)的變化;如果有形容詞物主代詞my,也應(yīng)改為your。將句末的標(biāo)點符號改為問號。（1）一提：指的是將be動詞提到句首，且首字母大寫。（2）二改：把原主語的首字母變成小寫；如果原主語為第一人稱，則應(yīng)把第一人稱變?yōu)榈诙朔Q，be動詞也要作出相應(yīng)的變化；如果有形容詞物主代詞my，也應(yīng)改為your。（3）三變：將句末的標(biāo)點符號改為問號。含be動詞的肯定句變一般疑問句即時演練：Issheateacher?AreyouTony?Arethoseyourpens?Isthisherbook?1.Sheisateacher.2.Thisisherbook.3.IamTony.4.Thosearemypens.口訣：一提、二改、三變Thisismypencil.Isthisyourpencil?含有be動詞的陳述句變?yōu)橐话阋蓡柧涞牟襟E形容詞性物主代詞和名詞性物主代詞表人稱一二三單復(fù)單/復(fù)單單單復(fù)形代myouryourhisheritstheir名代mineoursyourshishersitstheirs名詞性物主代詞，相當(dāng)于一個名詞，可以在句子中單獨使用。它相當(dāng)于“形容詞物主代詞+名詞”。而形容詞性物主代詞只能和名詞在一起使用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請找出所有的物主代詞，并解釋其含義。GrammarFocus課堂探究2人稱單數(shù)復(fù)數(shù)主格賓格主格賓格第一人稱

第二人稱第三人稱人稱代詞主格作主語，賓格作賓語meyouhim

heritusyouthemIyouhe

sheitweyouthey

單數(shù)復(fù)數(shù)第一人稱第二人稱第三人稱第一人稱第二人稱第三人稱形容詞性物主代詞myyourhisheritsouryourtheir名詞性物主代詞含義我的你的他的她的它的我們的你們的他們的物主代詞數(shù)人稱類別mineyourshishersitsoursyourstheirs表示所有關(guān)系的代詞叫作物主代詞物主代詞

語法概述人稱一二三單復(fù)單/復(fù)單單單復(fù)形物代myouryourhisheritstheir名物代mineoursyourshishersitstheirs(1)

名詞性物主代詞，相當(dāng)于一個_______，可以在句子中單獨使用（作主語、表語、賓語）。(2)名詞性物主代詞相當(dāng)于“形容詞物主代詞+_______”。而_______________________只能和名詞在一起使用。形容詞性物主代詞名詞名詞探究小結(jié)21.Thisishereraser.(改一般疑問句)2.IsthatMary’spen?(否定回答)3.Thesearemybooks.(改為一般疑問句）4.Ishispenhere?(肯定回答)Isthishereraser?No,itisn’t.Yes,itis.Practice:Aretheseyourbooks?e.g.(1)Thisisyourruler.It’snotmyruler.(=Thisruleris_______.It’snot_____.)

這是你的尺子，它不是我的。

(2)Thosearen’t

hisbooks.They’re

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

那些書不是他的。它們是她的。yoursminehishers1.Yourbookishere.______（我的)isoverthere2.ThiscupisnotLily’s.______（她的）iswhite.3.Thedictionariesare________（我們的）.4.Mypenisblue.Whatabout_______（你的）？MineHersyoursours作主語作主語作表語作賓語名詞所有格表示無生命事物的所有關(guān)系，用“名詞A

+of+名詞B”結(jié)構(gòu)，指前者屬于后者。表示有生命事物的所有關(guān)系，在名詞后加’s來表示所屬關(guān)系，意為“……的”。aphotoofmyfamily一張家庭照片ExamplesExamplesamapofChina一張中國地圖Anna’sschoolbag安娜的書包Bob’sbook鮑勃的書表示有生命事物的所有關(guān)系時，名詞所有格有以下幾種情況：單數(shù)名詞，詞尾直接加’sTom’sbook湯姆的書myuncle’s

car我叔叔的小汽車以-s結(jié)尾的復(fù)數(shù)名詞，詞尾加’teachers’office教師辦公室不規(guī)則復(fù)數(shù)名詞，詞尾加’sWomen’sDay婦女節(jié)Children’sDay

兒童節(jié)名詞所有格表示事物所屬關(guān)系，類似形容詞物主代詞1、's表示的所有格

Bob's鮑勃的2、of表示的所有格thenameofthebook書的名字一般的單數(shù)名詞在詞尾直接加“'s”Tom’sbook湯姆的書myuncle’scar我叔叔的小汽車以-s結(jié)尾的復(fù)數(shù)名詞在詞尾加“'”thestudents’basketball學(xué)生們的籃球不以s結(jié)尾復(fù)數(shù)名詞在詞尾加“'s”Women’sDay婦女節(jié)Children’sDay兒童節(jié)They’reBob’s.

It’sHelen’s.名詞所有格課堂探究3①MaryandAlice’shouse

big.

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

連接兩個并列的單數(shù)名詞表示共有時，只需在后一個名詞詞尾加”-’s”，謂語動詞用單數(shù)，若不是則兩個名詞均需加”-’s”，謂語動詞用復(fù)數(shù)e.g._____roomlooksveryclean.A.Bob’sandDave’sB.Bob’sandDave’sC.Bob’sandDaveD.BobandDaveA探究小結(jié)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一般疑問句主語是this/that/these/those，回答時用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!在老師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。你只可以猜兩次！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單項選擇DA()3.當(dāng)你打擾別人時，你應(yīng)該說

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