Unit3SectionA(1a-2c)Isthisyourpencil?Who’sthequickest?比比誰最快？It’sa/an…--Whatarethese?--Theyarepencils.--Whatarethose?--They’reerasers.What’sthis/that?It’sa/an…What’rethese/those?Theyare…Matchthewordswiththethingsinthepicture.1a1.pencil2.pen3.book4.eraser5.ruler6.pencilbox7.schoolbag8.dictionaryThisisapencil.Isthisapencil?Thisismypencil.Isthisyourpencil?Yes,itis.No,itisn’t.Thatismybook.Isthatyourbook?Yes,itis.No,itisn’t.--Isthisyourschoolbag?--Yes,itis.It’s

mine.myschoolbag--Isthisyoureraser?--No,itisn’t.It’shis.

hiseraser--Isthatyourpencil?--No,itisn’t.It’shers.herpencil--Aretheseyourdictionaries?--Yes,theyare.--They’remine.mydictionaries--Aretheseyourbooks?--No,theyaren’t.They’rehers.herbooks--Arethoseyourpencilboxes?--No,theyaren’t.They’rehis.hispencilboxesA:Isthisyourpencil?B:Yes,itis.It’smine.A:Isthatyourschoolbag?B:No,itisn’t.It’shis.A:Aretheseyourbooks?B:No,theyaren’t.They’rehers.Listenandnumbertheconversations[1-3].1b--Isthis______(you)pencil?--Yes,________.youritis1c--Isthis________(you)book?--No,__________.youritisn’t--____this______(he)book?--_______,itis.hisYesIs--___that_____(she)sweater?--_____,itisn’t.IsherNoListenandcheckthethingsyouhear.2aeraserspencilrulerpencilboxbooksTom:Excuseme,Grace.Isthisyourpencil?Grace:Yes,thankyou.Andthosearemy_______.Tom:AndJane,isthisyour_____?Jane:No,itisn’t.It’shers.Tom:OK,andthesearemy______.Thisisyour__________,Jane.Listenagain.Completetheconversation.2berasersruler

bookspencil

box

Practicetheconversationin2b.Thenmakeyourownconversationsusingthethingsinyourclassroom.2cTom:Excuseme,Grace.Isthisyourpencil?Grace:Yes,thankyou.Andthosearemy_______.Tom:AndJane,isthisyour_____?Jane:No,itisn’t.It’shers.Tom:OK,andthesearemy______.Thisisyour__________,Jane.erasersruler

bookspencil

box

Excuseme.Isthisyoureraser?Yes,itis.It’smine.Isthatyourschoolbag?No,itisn’t.It’shers.Excuseme.

Isthisyourpencilbox?Yes,itis.It’smine.Isthatyoureraser?No,itisn’t.It’s

his.Excuseme.Isthis/thatyour…?Yes,itis.It’smine./No,itisn’t.It’shers/his.What’sthat?Isthata/an…?

Aguessinggame

It’s

hereraser.What’sthat?Isthata/an…?It’s

hisschoolbag.What’sthat?Isthata/an…?

It’s

mydictionary.Me在be動詞引起的一般疑問句中，be動詞的形式由主語決定。當主語為第三人稱單數時，謂語用單數is；當主語為第二人稱或其他復數人稱時，be動詞用are；當主語為I時，be動詞用am。Role-playtheconversation.2d

由be動詞引起的一般疑問句一般疑問句通常用yes或no來回答；作肯定回答時，主語與be動詞不能縮寫在一起；作否定回答時，be動詞常與not縮寫在一起，如isn’t。注意：am和not不能縮寫在一起。請根據句意，用be動詞的適當形式填空。1.—______thatyourIDcard?

—Yes,it______.2.—Issheateacher?

—______,sheis.3.—Isthisyou