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1、Unit 2 Is this your pencil?Section A,backpack,ruler,pencil,book,pencil case,pencil sharpener,pen,dictionary,1a,1.pencil_2.pen_3.book_4.eraser_5.ruler_6.pencil case _7.backpack _8.pencil sharpener_9.dictionary_,C,F,B,G,E,D,A,H,I,1b.Listen and number the conversations.,A:Is this your pencil?B:Yes,it i
2、s.Its my pencil.,A:Is that your backpack?B:No,it isnt.Its his backpack.,A:Is this your ruler?B:No,it isnt.Its her ruler.,3,2,1,that,this,a ruler,a pencil sharpener,a pen,a book,a dictionary,a pencil,a backpack,an eraser,a pencil case,Is this a pencil case?,Yes,it is.,Is this your pencil case?,Yes,it
3、 is.Its my pencil case.No,it isnt.Its her pencil case.,Is that an eraser?,No,it isnt.Its a book.,Is that your book?,Yes,it is.Its my book.No,it isnt.Its his book.,重点句型：Is this/that a/an?Yes,it is.No,it isnt.Its a/an How do you spell it?Is this/that your?Yes,it is.It is my./No,it isnt.Its his/her.,2a
4、.Listen and check the things you hear.,2b Listening,Tim:Excuse me,Sonia.Is this your _.,Sonia:Yes,thank you.And that is my_,Tim:And Jane,is this your _?,Jane:No,it isnt.Its her ruler.,Tim:OK,and this is my _.,And this is your _,Jane.,eraser,ruler,book,pencil case,pencil,是以be动词(is,are 等)，情态动词(can等)或助
5、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,it is./No,it isnt.,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。
6、,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.This is a ruler.变：This is not a ruler.2.I am a student.变：I am not a student.3.Tim and I are good friends.变：Tim and I are not good friends.,口诀,be 动词真伟大，生出am is are.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。,
