单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 1,Making New Friends,Topic 3 How old are you,?,Section B,Unit 1 Making New Friends,a,desk,a,pen,a,pencil,Warming up,a deska pena pencilWarming up,a,book,a,bus,a,box,a,map,a booka busa boxa map,an,apple,an,orange,an,egg,an,eraser,an applean orangean eggan eras,在英语中，a,an和the称为冠词，其中a和an是不定冠词，the是定冠词。不定冠词a和an 都可以表示“一(个、支、张、块)”的意思。它们在用法上有什么区别呢？请仔细观察下面的例子，然后补全结论部分所缺内容。,a,和,an,在英语中，a,an和the称为冠词，其中a和an是不定冠,A.a“w”,an“s”,an“f”,B.an egg,a ruler,C.a red apple,an English teacher,D.Is that his map?,This is my schoolbag.,She is in this room.,A.a“w”,an“s”,an“f”,【结论】,1.从A、B组例子中可以看出，_ 用在以辅音音素开头的字母或单数名词之前，_ 用在以元音音素开头的字母或单数名词之前。,2.从C组例子中可以看出,当名词前有修饰语时，应以_ (名词/修饰语)开头的音素决定用a还是用an。,3.从D组例子中可以看出，若名词前有物主代词his,my等或指示代词this,that 等修饰限定时,_(能/不能)同时使用冠词。,an,a,修饰语,不能,【结论】ana 修饰语不能,【运用】,请选用a或an完成下列句子或对话。,1.It isnt _ “u”.Its _“v”.,2.Is that _ egg?,Yes,its _ big egg.,3.Whats this in English?,Its _ English book.,4.Its _“h”,not _“n”.,a,a,an,a,an,an,an,【运用】aa anaananan,A:,Whats this in English?,B:Its a,pen,.,A:,How do you spell it,please?,B:,P-E-N,pen,.,Pair work,A:Whats this in English?Pair,A:,Whats this in English?,B:Its a,book,.,A:,Can you spell it,please?,B:,B-O-O-K,book,.,A:Whats this in English?,A:,Whats this in English?,B:Its a,bag.,A:,How do you spell it,please?,B:,B-A-G,bag,.,A:Whats this in English?,-Is this a pencil?,-Yes,it is.,-Is this a pencil?,A:Is this an orange?,B:No,it isnt.Its an apple.,A:Is this an orange?,-Is that a car?,-No,it isnt.Its a bus.,-Is that a car?,Is this/that a/an?,Yes,it is./,No,it isnt.Its a/an,Is this/that a/an?,Complete the conversations.,A:Whats this in English?,B:_ a pencil-box.,A:Can you spell it,please?,B:_,Its,P-E-N-C-I-L-B-O-X,pencil-box.,Complete the conversations.A:,A:Whats that in English?,B:_ an apple.,A:_?,B:A-double P-L-E,apple,.,Its,How do you spell it,A:Whats that in English?Its,A:Is this an eraser?,B:Yes,_.,A:Is that a pen?,B:No,_.,It is a pencil.,it is,it isnt,A:Is this an eraser?A:Is tha,I.Choose the right answer.,_ do you spell it,please?,A.What B.How C.Where,2.-Is that a car?,-No,_.,A.it isnt B.that is C.that isnt,3.-This is _ eraser.,-_ her eraser.,A.a;Its B.an;Its C.an;Its,B,A,C,练习坊,I.Choose the right answer.BAC,4.Its my ruler.(改为否定句),It _,my _.,5.Whats this _(用英语)？,Its _(一支铅笔),.,isnt,ruler,in English,a pencil,4.Its my ruler.(改为否定句)isnt,II.请选用a/an完成下列句子,。,1.She is _ English girl.,2.It is _ good apple.,3.Its _“m”,not _“w”.,4.That is _ old car.,5.This is my mom.She is _ teacher.,an,a,an,a,an,a,II.请选用a/an完成下列句子。anaanaana,III.请根据所给情景用适当的词语完成下列句子或对话。,1.Excuse me,is this your toy?,Yes,_ is.,2.Whats that in English?,_ a ruler.,it,Its,III.请根据所给情景用适当的词语完成下列句子或对话。it,3._ you _ it,please?,Yes,I can.,4._ that an egg?,Yes,_ is.,5.This _ a car,but its a bus.,Can,spell,Is,it,isnt,3._ you _ it,please?,仁爱版七年级英课件,