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1、Isthisyourpencil?UnitThreeSectionA1Revision:Thisismysister/cousin.Thesearemysisters/cousins.Thatismyaunt/uncle.Thosearemyaunts/uncles.What’sthisinEnglish? It’s…apencil/e//e/WhataretheseinEnglish?They're...pencils3abook-c-//What’sthisinEnglish? It’s…4Whatarethese?They're...books5aneraser/e/
2、/I//eI/What’sthisinEnglish? It’s…6What’sthisinEnglish?rulerIt’saruler.7apencilboxWhat’sthisinEnglish? It’s…8What’sthisinEnglish? It’s…aschoolbag9adictionary/e//I//e//e/What’sthisinEnglish? It’s…10apencilabookaneraseradictionaryQuickrevisionapencilboxaschoolbag11What’sthisinEnglish?121aMatc
3、hthewordswiththethingsinthepicture.pencil__pen__book__eraser__ruler__pencilbox__schoolbag__dictionary__egbhcfadThisisherruler.Isthisherruler?Yes,itis./No,itisn’t.(isn’t=isnot)14Thatishispencil.Isthathispencil?Yes,itis./No,itisn’t.(isn’t=isnot)15Theseareherbooks.Aretheseherbook?Yes,theyare.
4、No,theyaren’t.(aren’t=arenot)16Grammar一般疑问句Isthisyourpencil?Yes,itis.（肯定回答）No,itisn’t.（否定回答）lisn’t=isnot特点及注意：1、问句使用升调2、把be动词提前3﹑一般疑问句是针对某种或某种情况是否真实而提出的。回答常用yes或no开头.1）肯定回答时，主语不能与be动词缩写。如：itis不能写成it’s.2)否定回答中，be动词常与not缩写在一起。3)am与not不能简写。17It’saneraser.It’shereraser.It’shers.(hers=hereraser
5、)18It’sapencilbox.It’smypencilbox.It’smine.mine=mypencilbox19It’sapencil.It’syourpencil.It’syours.yours=yourpencil20It’saschoolbag.It’shisschoolbag.It’shis.(his=hisschoolbag)21形容词性物主代词myyourhisher形容词性物主代词起形容词的作用，用在名词前(举例)22名词性物主代词mine(mine=my+名词)yours(yours=your+名词）his(his=his+名词)hers(hers
6、=her+名词)名词性物主代词=形容词性物主代词+名词(为了避免重复)(后面就不再加东西了)23Isthisyourpen?No,itisn't.It'sherpen.(为了避免重复)No,itisn’t.It’shers.(hers=herpencil)24Isthisherpencil?No,itisn’t.It’smypencil.(为了避免重复)No,itisn’t.It’smine.(mine=mypencil)25Isthishereaser?Yes,it’shereraser.(为了避免重复)Yes,it’shers.26Isthatyourschoolbag
7、?No,itisn’t.It’shisschoolbag.(为了避免重复)No,itisn’t.It’shis.加强训练27注意：在使用名词性物主代词时，必须有特定的语言环境，也就是要省略的名词大家已经知道，已经提起过。例：It‘shers.是她的。（单独使用大家不知是怎么回事，不可以这样用）Thereisabook.It'shers.那有本书。是她的。（先提及，大家才明白）28A:Isthisyourpencil?B:Yes,itis.It’smine.A:Isthatyourschoolbag?B:No,iti
