Unit3SectionA(GrammarFocus3c)课件人教版英语七年级上册

Unit3Isthisyourpencil?SectionAGrammarFocus-3cLearningaims1.learntouseYes/Noquestionsandshortanswerstoidentifyownership.2.learntousepossessivepronouns：mine,yours,his,hers.FreetalkWhat’sthis?Isthisa/an…?Yes,itis./No,itisn’t.What’sthat?Isthata/an…?Yes,itis./No,itisn’t.Aretheseher…?Yes,theyare./No,theyaren’t.Arethoseher…?Yes,theyare./No,theyaren’t.Grammar

FocusIsthisyourpencil?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.it’s=itisisn’t=isnotaren’t=arenot请总结含be动词的一般疑问句结构和简略回答。含有Be动词的一般疑问句概述：一般疑问句是用来询问某种情况是否属实，需要对方做出肯定或否定回答的句子。一般疑问句是能用Yes或No回答的句子。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。）2)肯定回答：Yes,主语+be动词(am/is/are).主语和be动词不能缩写。3)否定回答：No,主语+be动词(am/is/are)+not.通常is、are和not要缩写，但am和not不能缩写。4)如果一般疑问句主语是this、that、these或those，回答时用it指代this或that；用they指代these或those。含be动词的肯定句变一般疑问句，可以采用“一提、二变、三问号”的方法。一提：be动词提到句首，且首字母大写。二变：把原主语的首字母变成小写；如果原主语是第一人称，则应把第一人称变为第二人称，be动词也作相应变化；如果有形容词性物主代词my，也应改为your。三问号：将句末的句点改为问号IamLiLei.(改为一般疑问句)AreyouLiLei?(第一人称变为第二人称)Heisastudent.(改为一般疑问句)Isheastudent?Thesearemybooks.(改为一般疑问句)Aretheseyourbook?(my变为your)名词性物主代词概述：名词性物主代词是物主代词的一种，用于代替前面提到过的人或事物，不能用于名词前，可以直接作主语、宾语或表语等，有人称和数的不同。

数/人称

类别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mineyourshishersitsoursyourstheirs含义我的你(们)的他的她的它的我们的你（们）的他/她/它们的1）形容词性物主代词在句中作定语，修饰名词。2）名词性物主代词相当于“形容词性物主代词+名词”，其后不能再接名词。3）名词性物主代词在句中可作主语、宾语、表语等。作主语时，谓语动词的单复数形式由名词性物主代词所指代的名词的数来决定。Thisismydictionary.Hisisonthedesk.这是我的词典。他的（词典）在书包里。（指代Hisdictionary,故be动词用is）—Arethesehisbooks?这些是他的书吗？—No,hisareintheschoolbag.不，他的（书）在书包里。（指代hisbooks,故be动词用are）Completethequestionsandanswersabouteachpicture.3aIs_______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______.Completethequestionsandanswersabouteachpicture.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______.thisisn’tthesetheythatisthosearen’t3a3b1.Isthisherruler?Yes,_______.It’s______.2.IsthatEric’sschoolbag?No,_______.______Sally’s.3.Arethesehispencils?Yes,_________.They’re______.4.ArethoseAnna’sbooks?No,__________.________mine.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’rePutsomethingsintotheteacher’sbox.Thentakeonethingoutoftheboxandfindthe

owner.Youonlyhavetwoguesses!3cIsthisyoureraser?No,itisn’t.PairworkA:Isthisyour…?B:Yes,itis.No,itisn’t.Exercises一、单项选择1.—Ican’tfindmypencil.MayIuse_______?—Ofcourse.A.youB.yoursC.your2.______bikeisnew.A.SheB.He