Unit3 3 Is this your pencil第二课时SectionAGrammarFocus_3c课件（人教新目标版）

SectionAGrammarFocus-3cUnit3Isthisyourpencil?七年级上册RJ初中英语 Grammar:①含be动词的一般疑问句②名词性物主代词Learninggoals Chooseoneapple.ThensaythewordorphraseinEnglish.铅笔书橡皮文具盒字典书包老师劳驾;请原谅pencilbookeraserdictionarypencilboxteacherschoolbag12excuseme634578Warmingup Chooseonecard.ThensaythesentenceinEnglish.1.这是你的铅笔吗？2.这些是你的书吗？3.谢谢你的帮助。4.那是你的橡皮吗？5.那些是你的字典吗？6.不客气。1.Isthisyourpencil?2.Aretheseyourbooks?3.Thanksforyourhelp.OneTwoThree4.Isthatyoureraser?5.Arethoseyourdictionaries?6.You’rewelcome.FiveFourSix Thereisadictionary,abook,twoerasersandthreepencilsatthelostandfound.Canyouhelptofindtheownersofthesethings?Youcanaskyourclassmates.LostFoundPresentation在失物招领处 Howtofindtheownersbyaskingquestions?Andhowtoanswerthesequestions? 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.GrammarFocus 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。Aretheseyourbooks?Yes,theyare./No,theyaren’t.They’rehers. 一般疑问句在句子中用提问的方式提供一些信息，要求对方用Yes或No回答的疑问句。朗读一般疑问句时用升调，对其回答时用降调。本单元我们学习的是含有be动词的一般疑问句。语法概述Presentation 1)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。 —Isthisyourpen?这是你的钢笔吗？—Yes,itis.是的，它是。—Aretheseyourbooks?这些是你的书吗？—No,theyaren’t.不，它们不是。不可以缩写成it’s 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。 Heisastudent.(改为一般疑问句)Isheastudent?IamLiLei.(改为一般疑问句)AreyouLiLei?(第一人称变为第二人称)Thesearemybooks.(改为一般疑问句)Aretheseyourbook?(my变为your) 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.mypencilherpencilhisschoolbagGrammarFocusherpen 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。herbooksmykeys 表示所有关系的代词叫作物主代词。物主代词分为形容词性物主代词和名词性物主代词两种。语法概述Presentation 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） 形容词性能力差，自己不能来当家。句子当中作定语，身后定把名词加。物主代词名词性，相当名词可单用。his、its无变化，my和mine要牢记。其余变形规律化，变形后加-s尾巴。物主代词用法小记 3aCompletethequestionsandanswersabouteachpicture.Is________yourbook?Are________mypencils?Is_______hisruler?Are________herpens?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。 3bReadthequestionsandcompletetheanswers.1.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 3cPutsomethingsintotheteacher’sbox.Thentakeonethingoutoftheboxandfindtheowner.Youonlyhavetwoguesses!Isthisyoureraser?No,itisn’t. Lindacomestohelptofindtheownersofthesethings.LostFound Isthisyourbook,Tom?Yes,itis.It’smine. Isthatyourdictionary,Jack?No,itisn’t.YoucanaskAnn.Ithinkit’shers. Aretheseyourerasers,Helen?Yes,theyare. Arethoseyourpencils,Jane?No,theyaren’t.YoucanaskBob.Ithinkthey’rehis. 一、单项选择1.—Ican’tfindmypencil.MayIuse_______?—Ofcourse.A.youB.yoursC.your2.______bikeisnew.A.SheB.HeC.His3.Myroomisbig.______issmall.A.HerB.HersC.SheBBCExercises 1.It’sherspen.()____________________ABC2.Isthisyourbooks?()____________________ABCD3.Yes,itis.It’smy.()____________________ABCD二、找出句中错误的一项并改正B将hers改为herD将books改为bookD将my改为mine 三、按要求完成下列各题1.Thisismypencil.（改为一般疑问句）______________________________2.Aretheseyourpens?（作否定回答）______________________________3.Thatismyschoolbag.（同义句）______________________________Isthisyourpen?No,theyaren’t.Thatschoolbagismine.更多练习详见英语RJ七上《教材帮》Unit3语法帮·专题课 SummaryGrammar①含be动词的一般疑问句②名词性物主代词 1.默写形容词性物主代词和名词性物主代词。2.将下列句子读并抄写三遍。—Isthisyourpencil?—Yes,itis.It’smine./No,itisn’t.It’shers.—Isthishisgreenpen?—Yes,itis./No,itisn’t.Thebluepenishis.Homework —Isthatyourschoolbag?—Yes,itis./No,itisn’t.It’shis.—Aretheseyourbooks?—Yes,theyare./No,theyaren’t.They’rehers.—Arethoseherkeys?—Yes,theyare./No,theyaren’t.They’remine.