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1、,Unit3 Is this your pencil?,Whats this in English?,pencil铅笔,Whats this in English?,Whats this in English?,pen钢笔,Its a pen.,book书,Whats this in English?,Its a book.,books,Whats this in English?,eraser橡皮擦,Its an eraser.,Whats this in English?,ruler尺子,Its a ruler.,Whats this in English?,pencil box铅笔盒,I
2、ts a pencil box.,Whats this in English?,schoolbag书包,Its a schoolbag.,dictionary字典,Its a dictionary.,pencil 铅笔book 书eraser 橡皮擦pencil box 铅笔盒schoolbag 书包dictionary 字典,Do 1a,This is her ruler.Is this her ruler?Yes,it is./No,it isnt.(isnt=is not),This is his pencil.Is this his pencil?Yes,it is./No,it is
3、nt.(isnt=is not),These are her books.Are these her book?Yes,they are.No,they arent.(arent=are not),Grammar,一般疑问句,Is this your pencil?,（肯定回答）Yes,it is.,（否定回答）No,it isnt.,lisnt=is not,特点及注意：1、问句使用升调2、把be动词提前3一般疑问句必须先用 yes或no回答.4、肯定回答时，it is 不 能写成its.,This is a ruler.（改为一般疑问句）,a ruler?,Is,this,That is
4、my eraser.(改为一般疑问句并做肯定回答）easer?,.,Is,that,your,No,it,isnt,Is this his dictionary?(改为陈述句)_ _ _ dictionary.,This,is,his,That is her book.(改为一般疑问句并做否定回答)her book?_,_ _.,Is,this,No,it,isnt,改错,1 Is this a book?Yes,it isnt.2 Is that your dictionary?Yes,its.3 Whats that?Its ruler.,Its an eraser.Its her era
5、ser.Its hers.(hers=her eraser),Its a pencil box.,Its my pencil box.,Its mine.,mine=my pencil box,Its a pencil.Its your pencil.Its yours.,yours=your pencil,Its a schoolbag.Its his schoolbag.Its his.(his=his schoolbag),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),名词性物主代词,mine(mine=my+名词)yours(yours=your+名词）his(his=his+名词)hers(hers=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),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：Its hers.是她的。（单独使用大家不知是怎么回事，不可以这样用）There is a book.Its hers.那有本书。是她的。（先提及，大家才明白）,
