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Welcometoourclass千佛乡中心学校李倩微Isthisyourpencil?UnitThreeamapWhat’sthisinEnglish?It’sapenarulerajacketaquiltakeyanorangeoWhat’sthisinEnglish?It’s…apencil/e//e/WhataretheseinEnglish?They're...pencilsabook-c-//What’sthisinEnglish?It’s…Whatarethese?They're...booksaneraser/e//I//eI/What’sthisinEnglish?It’s…adictionary/e//I//e//e/What’sthisinEnglish?It’s…What’sthisinEnglish?It’s…aschoolbagapencilboxWhat’sthisinEnglish?It’s…apencilabookaneraseradictionaryQuickrevisionapencilboxaschoolbagWhat’sthisinEnglish?Matchthewordswiththethingsinthepicture.1.pencil__e__2.pen______3.books____4.eraser____5.ruler_____6.pencilbox__7.schoolbag__8.dictionary__gbhcfadIsthisapencilbox?Yes,itis.Isthataruler?No,itisn’t(=isnot).It’saneraser.Isthisapencil?Yes,itis.Isthataruler?No,itisn’t.It’sakey.Arethesebooks?Yes,theyare.Arethosebooks?No,theyaren't.They'repencilboxes.Arethesepencils?Yes,theyare.Arethosepencils?No,theyaren't.They'repens.Isthis/thata/an….?Yes,itis.No,itisn’t.It’sa/an…Askandanswerwithyourpartners,usingthethingsaroundyou.(用你身边的物品与同伴进行对话练习．）Arethese/those...?Yes,theyare.No,theyaren't.Theyare....Yes,itis.It’smine.Isthisyourruler?(myruler)No,itisn’t.It’shis.(=hisschoolbag)Isthatyourschoolbag?Aretheseyourbooks?No,theyaren't.They'rehers.(=herbooks.)A:Isthisyourpencil?B:Yes,itis.It’smine.A:Isthatyourschoolbag?B:No,itisn’t.It’shis.A:Aretheseyourbooks?B:No,theyaren’t.They'rehers.321Listenandnumbertheconversations[1-3].1bIsthisyourpen?Isthatherbook?Isitherruler?Yes,itis.No,itisn't.肯定回答:否定回答:这些句子都可用于:确认某物的主人.这些句子都是一般疑问句,一般最后一个重读音节要升调,都能用yes或no来简单回答.this意为“这个”，用来指离说话者较近的物。that意为“那个”，用来指离说话者较远的物。It可以说较近的物,也可说较远的物.答语要用it.GrammarFocusLet’sseethesesentences:•Thisisaruler.(陈述句)•Isthisaruler?(一般疑问句)•Yes,itis.(肯定回答)•No,itisnot(=isn’t).(否定回答)•Theyarebooks.(陈述句)•Aretheybooks?(一般疑问句)•Yes,theyare.(肯定回答)•No,theyaren’t.(否定回答)由be动词引起的一般疑问句一般疑问句通常用yes或no来回答;作肯定回答时，主语与be动词不能缩写在一起；作否定回答时，be动词常与not缩写在一起，如isn’t。注意：am和not不能缩写。在be动词引起的一般疑问句中，be动词的形式由主语决定。当主语为第三人称单数时，谓语用单数is；当主语为第二人称或其他复数人称时，be动词用are；当主语为I时，be动词用am。ClassisoverThankyou!Goodbye.