Unit3Isthisyourpencil(GrammarFocus3c)课件人教版英语七年级上册

Unit3IsThisYourPencil?SectionA（GrmmarFocus-3c）GrammarFocusIsthishisgreenpen?Isthatyourschoolbag?Yes,itis./No,itisn’t.Thebluepenishis.Yes,itis./No,itisn’t.It’shis.Isthisyourpencil?Yes,itis.It’smine./No,itisn’t.It’shers.Aretheseyourbooks?Yes,theyare./No,theyaren’t.They’rehers.Arethoseherkeys?Yes,theyare./No,theyaren’t.They’remine.It’s=itisisn’t=isnotaren’t=arenot2.findtheownersoftheschoolitemsintheclassroom;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.GrammarFocusmypencilherpencilhispenhisschoolbagherbooksmykeys你能找出句子中的物主代词并解释其含义吗？PresentationFillintheblanksaccordingtoGrammarFocus.

While-grammarPractice

这是你的铅笔吗？______yourpencil?2.是的。它是我的。Yes,______.It’s_____.3.那是你的书包吗？______yourschoolbag?4.不是。它是他/她的。No,______.It’s___/_____.5.这是他的绿色钢笔吗？__this________pen?6.不。那只蓝色钢笔是他的。No,_______.The________is____.7.这些是你的书吗？__________yourbooks?8.是的。/不是。Yes,________./No,___________.9.那些是她的钥匙吗？_________her_____?10.不是。它们是她的。No._______hers.IsthismineIsthatitisn’thishers

itis

Ishisgreenitisn’tbluepenhisArethesetheyaretheyaren’tArethosekeysThey’re1）一般疑问句的概念：2）含有be动词的陈述句变一般疑问句的方法：※将be动词提至句首；补充：※将句末标点改为问号；※将第一人称变为第二人称，即I由you替换;

一般疑问句的概念及方法能用yes或no回答的问句，就叫一般疑问句。注意：my由your替换；相应地am也变为are.语法探究1：单数:肯定回答否定回答

复数:肯定回答否定回答补充说明一般疑问句的句型及回答Isthis/that…?这/那是......吗？Yes,itis.No,itisn’t.补充说明It’smine/his/hers.Arethese/those...?这(些)/那(些)是......吗？Yes,theyare.No,theyaren’t.They’remine/his/hers.1.Thatishisschoolbag.(变为一般疑问句)______hisschoolbag?(作肯定及否定回答)Yes,____./No,_______.2.Thesearehererasers.(变为一般疑问句)_________hererasers?(作肯定及否定回答)Yes,_________./No,___________.句型转换Isthattheyareitisn’titisArethesetheyaren’t拓展：名词所有格狗的名字__________________thenameofthedog(1)表示无生命事物的所有关系，用“名词+of+名词”结构，表示前者属于后者。(2)表示有生命事物的所有关系，在名词其后加’s来表示所属关系，意为“……的”。例如：安娜的Anna’s

鲍勃的Bob’s语法探究2：名词所有格的构成方法：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学生们的篮球不规则复数名词在词尾加“’s”Women’sDay妇女节Children’sDay儿童节拓展：名词所有格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.请找出所有的物主代词，并解释其含义。mypencilherpencilhispenhisschoolbagherbooksmykeysGrammarFocus语法探究3：Canyoucompletethesentencesinthesameway?形容词性物主代词名词性物主代词mymineyouryourshishisherhersitsitsourourstheirtheirsThisis_______pencil.It’s_______.Thatis_______pencil.It’s_______.Theseare_______pencils.Theyare_______.Thoseare_______pencils.Theyare_______.Thisis_______pencil.It’s_______.Thoseare_______pencil.Theyare_______.Theseare_______pencils.Theyare_______.mymineyouryourshishisherhersitsitsourourstheirtheirs____________________+名词

相当于____________________

表示“谁的什么”形容词性物主代词名词性物主代词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=yourse.g.Thisisyourruler.It’snotmyruler.=Thisruleris_________.It’snot_______.

这是你的尺子，它不是我的。

Thosearen’thisbooks.They’reherbooks.=Thosebooksaren’t____.They’re_____.

那些书不是他的，它们是她的。yoursminehishers名词性物主代词mine,yours,hers,his等属于名词性物主代词,相当于“形容词物主代词+名词”，句中作主语、表语、宾语等，可以单独使用。形容词性物主代词在句中主要作定语。PresentationWhile-grammarPractice照例子改写同义句：Thisismypencil.Thispencilismine.1.Thisisherschoolbag._________________.2.Isthatyourwatch?_________________?3.Thesearehiskeys.________________.4.Arethoseherbooks?_________________?5.Theyaremyerasers.________________.ThisschoolbagishersIsthatwatchyoursThesekeysarehisArethosebookshersTheerasersaremine3aCompletethequestionsandanswersabouteachpicture.Is____yourbook?Yes,itis.No,it____.Are_____mypencils?Yes,____are.No,theyaren’t.Is____hisruler?Yes,it___.No,itisn’t.Are_____herpens?Yes,theyare.No,they______.thistheseisn’ttheythatthoseisaren’t1.Isthisherruler?2.IsthatEric’sschoolbag?3.Arethesehispencils?4.ArethoseAnna’sbooks?Yes,________.They’re_____________.No,_________._____Sally’s.No,_____________.________mine.Yes,____.It’s______________.Readthequestionsandcompletetheanswers.itisHers/herruleritisn’tIt’stheyarehis/hispencilstheyaren’tThey’reNowreadtheconversationwithyourpartner.3bⅠ.

根据括号内的要求完成下列各题，每空一词(含缩略形式)。1.Thoseareerasers.

(改为单数形式)__________________eraser.2.Mykeyisbrown.

(改为复数形式)My____________brown.3.Thisisamap.

(改为一般疑问句)____________amap?4.

—Aretheseyourjackets?

(补全否定答语)—No,____________.5.—Thisismyphoto.Isthatyourphoto?

(补全肯定答语)—Yes,thatphoto____________.ThatisankeysareIsthistheyaren’tismine1.Thisishergreenjacket.(改为同义句)Thisgreenjacketis_____.2.Mypenisred.Whatcolorisyourpen?(同义句)Mypenisred.Whatcoloris________?3.Thisishisgreenjacket.(改为同义句)Thisgreenjacketis_____.4.Yourpenisred,mypenisred,too.(同义句)Yourpenisred,______isred,too.hersyourshismineC1.--Isthisyour_____________?--Yes,_______you._____thatis________________.2.--_____this_______key?--Yes,____is._____mine.pe