七年级英语上册 Unit 3 Is this your pencil（第2课时）Section A（Grammar Focus-3c）课件 新人教版.ppt

,R七年级上册,SectionA第2课时,Unit3Isthisyourpencil?,Isthis_(you)pencil?Yes,_.,your,itis,Review,Isthis_(I)book?,No,_.,Thisis_(you)book.,my,itisnt,your,Is_(he)book?,_,itis.,this,his,Yes,Newwords,excusev.mepron.excusemeteachern.aboutprep.yourspron.thankv.forprep.helpv.my由your替换；相应地am也变为are.简单归纳即为：一提二变三替换。,MaryisanEnglishgirl.一般疑问句是：IsMaryanEnglishgirl?Iaminmyclassroom.一般疑问句是：Areyouinyourclassroom?,(3)含有be动词的一般疑问句的回答方式：肯定回答：Yes,主语+be(am,isare).其中，be动词不能与主语缩写。,否定回答：No,主语+be(am,is,are)+not.其中be可以与not缩写，但am不能与not缩写。如：IsthisanIDcard?Yes,itis.AreyouMr.Smith?No,Imnot.（4）一般疑问句的语调：读一般疑问句用升调，其简略回答用降调。,【温馨提示】疑问句的主语是第一人称,回答时主语要换成第二人称;疑问句的主语是第二人称,回答时主语要换成第一人称;疑问句是第三人称,回答时主语不变。AmIright?我是对的吗?Yes,youare.是的,你是对的。/No,youarent.不,你不对。AreyouAlan?你是艾伦吗?Yes,Iam.是的,我是。/No,Imnot.不,我不是。,【学以致用】用be动词的适当形式填空1.Howareyou?IOK,thanks.2.Oh,thisblackpenPeters.3.Whoisthewoman?SheourEnglishteacher.4.Bobstwoauntsonthesofa.,am,is,is,are,5.JerryandLoestudentsatSunshineMiddleSchool.6.theblackpenyours?Yes,itsmine.7.Thesemyfriends,BobandCindy.8.Whotheboyinthephoto?Hesmycousin,LiLei.,are,Is,are,is,二、物主代词【观察领悟】仔细观察例句,体会形容词性物主代词与名词性物主代词的用法不同。1.Isthisyourpencil?Yes,itis.Itsmine.2.Isthishisgreenpen?No,itisnt.Thebluepenishis.3.Aretheseyourbooks?No,theyarent.Theyrehers.,【知识构建】表示所有关系的代词叫做物主代词(PossessivePronouns),也叫人称代词的所有格。物主代词分为形容词性物主代词和名词性物主代词两种。物主代词有人称和数的变化。人称代词与其对应的物主代词见下表:,【学以致用】用所给词的适当形式填空1.AliceandBillare(I)goodfriends.2.Thesebooksare(I).3.ThegirlisAnnandthisis(she)mother.4.Thisbookis(she).5.(her)isSusan,mysister.,my,mine,her,hers,She,this,Isnt,these,they,that,is,those,arent,not和no的区别：（1）not用于构成否定形式，置于句中，常放在be动词、情态动词can等、助动词do的后面，可与前面的词缩成一个词，但不能独立使用。如：Thisisnot(isnt)apen.Icannot(cant)e.Idonot(dont)know.,Languagepoints,(2)no常用于带冠词(a,an,the)的名词前，主要修饰可数名词，此时，既可放在单数名词前，也可放在复数名词前。在no+名词的结构中，名词前不能加any,much等词。*Ithasnotail.它没有尾巴。Tomhasnobooks.汤姆没有书。Thereisnowaternow.现在没有水。,1.Isthisherruler?,2.IsthatEricsschoolbag?,Yes,_.Its_.,No,_._Sallys.,itis,hers,itisnt,Itis,3.Arethesehispencils?,4.ArethoseAnnasbooks?,Yes,_.Theyre_.,No,_._mine.,theyare,his,theyarent,Theyre,No,itisnt.,FindtheOwner!,A:Isthisyour?,B:Yes,itis.No,itisnt.,Game,Isthisyoureraser?,No,itisnt.,Isthisyourruler?,Yes,itis.,单项选择1.Isthisyourpencil?Yes,.A.itsB.itisC.itsD.isit2.IsthatAlicesdictionary?Yes,its.A.hisB.hersC.mineD.yours,Exercise,3.ArethoseTomspens?No,arent.A.theseB.thoseC.itD.they4.Thisisntbook.Its.A.my;herB.my;hersC.mine;herD.mine;hers5.Thankyouyourphotos.A.atB.forC.ofD.to,句型转换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,_.,Isthat,theyare,itisnt,itis,Arethese,theyarent,3.Thisishergreenjacket.(改为同义句)Thisgreenjacketis_.4.Mypenisred.Whatcolorisyourpen?(同义句)Mypenisred.Whatcoloris_?5.Thisishisgreenjacket.(改为同义句)Thisgreenjacketis_.6.Yourpenisred,mypenisred,too.(同义句)Yourpenisred,_isred,too.,hers,yours,his,mine,补全对话,每空一词A:1me,Mary.2theseyourpencils?B:3,theyareHelens.A:And4thishereraser?B:No,it5.ItsDales.A:What6thisruler?B:ItsCindys.Andthepenis7,t