Unit2Isthisyourpencil?SectionAbackpackrulerpencilbookpencilcasepencilsharpenerpendictionarythatthisarulerapencilsharpenerapenabookadictionaryapencilabackpackaneraserapencilcaseIsthisapencilcase?Yes,itis.Isthisyourpencilcase?Yes,itis.It’smypencilcase.No,itisn’t.It’sherpencilcase.Isthataneraser?No,itisn’t.It’sabook.Isthatyourbook?Yes,itis.It’smybook.No,itisn’t.It’shisbook.重点句型：Isthis/thata/an…?Yes,itis.No,itisn’t.It’sa/an…Howdoyouspellit?…Isthis/thatyour…?Yes,itis.Itismy…./No,itisn’t.It’shis/her….是以be动词(is,are等)，情态动词(can等)或助动词(do,does等)开头表示疑问的句子。对一般疑问句的回答通常需要作肯定或否定回答。一般疑问句：巧变一般疑问句•『秘诀』：•一调二改三问号•一调：即把句中的be（am/is/are)调到主语的前面。•二改：句中的主语若含有I(my/we)等第一人称代词时，需将它们改为you(your/you）•三问号：句末的句号改为问号。Yes,itis./No,itisn’t.1.它们是一般疑问句简略的答语。肯定答语：Yes,主语+be.否定答语：No,主语+be+not.2.简略答语的主语要由问句的主语来决定。若问句中主语是that或this，答语的主语用it.若主语是名词时，答语的主语应用相应的人称代词。如何将含be动词的肯定句变为否定句一般将含be动词am,is,are的肯定句转化为否定句时，直接在be动词am,is,are后加上“not”即可。其他部分不变。e.g.1.Thisisaruler.变：Thisisnotaruler.2.Iamastudent.变：Iamnotastudent.3.TimandIaregoodfriends.变：TimandIarenotgoodfriends.口诀be动词真伟大，生出amisare.表示否定很简单，not加在be后边。若要变为疑问句，be应移到主语前。还有一点要注意，句末问号别忘记。be动词用法口诀我(I)用am，你(you)用are，is连着他(he)，她(she)，它(it)，其余单数用(is)，复数就用are。一、将下列句子变成一般疑问句和否定句1.Thisisanapple.2.It’smycomputer.3.Thisismybackpack.4.Myphonenumberis15094128670.5.I’mJenny.6.HerfamilynameisKing.7.LuPingandXiaYuarefriends.8.Thepensareyellow.二、分别对下列句子作出肯定回答和否定回答1.Isthisyourbaseball?2.AreyouanEnglishboy?3.Isthegirlyourfriend?4.Isyourpencilcasered?SectionBbaseballwatchIDcardcomputergamenotebookringkeypenKelseyMikewatchListening2bpenIDcardbaseball在文中找到1、CallAlanat495-6539.Callsbat+电话号码用这个号码打电话给某人callsb打电话给某人2、inthelostandfoundcase在失物招领招领箱里lostandfound失物招领in介词在……里3、phone#=phonenumber#=number4、SchoolIDcard学生证IDcard身份证5、Asetofkeys一串钥匙Asetof一串、一套、一副3aLost:MyschoolIDcard.MynameisTony.Pleasecall685-6034.Found:Notebook.Isthisyournotebook?PleasecallMary.Phone#235-0285.Isthisyourwatch?CallAlanat495-3539.Alan,Isthatyourcomputergameinthelostandfoundcase?Nick**call+某人+at+电话号码(用这个号码打电话给某人）如何写寻物启事1、标题2、丢失的东西3、失主的姓名4、联系电话假如你叫欧弟，你不慎丢失一支钢笔，你的联系电话是13529984703。Lost:Mypen.MynameisOUDi.Pleasecall13529984703.如何写招领启事1、标题:拾到的东西2、询问是不是失主的3、联系人4、联系电话假如你叫艾伦，你在回家的途中拾到一块手表，你想找到失主，你的联系电话是：15094128670。Found:AwatchIsthisyourwatch?PleasecallAlen.Phone#15094128670at529-6403.callDavidAsetofkeys.pleaseFound:Putthesepiecesinordertomakeamessage:1243PutinordertomakeamessageMynameisJack.Abackpack.Found:Phonenumber63017047.at63752148.PleasecallCindyMynotebook.Lost:Sue丢了英语书，Tom捡到一个铅笔盒。请你分别替他们写一份寻物启事和招领启事。（电话：Sue872-5364,Tom964-3142）知道be动词包括am,isarePracticetheconversationbelow.A:What’sthisinEnglishB:It’sapen.A:Howdoyouspellpen?B:P-E-NA:What’sthisinEnglish?B:It...
