七年级英语上册 Unit 7 How much are these socks（第2课时）Section A（Grammar Focus-3c）课件 新人教版.ppt

,R七年级上册,SectionA第2课时,Unit7Howmucharethesesocks?,Howmuchisthehat?这顶帽子多少钱?Howmucharethoseblacktrousers?那些黑色的裤子多少钱?询问价格常用疑问句型Howmuch.?意为“多少钱?”其同义结构:Whatsthepriceof.?Whatsthepriceofthepen?这支钢笔的价格是多少?,基数词仔细观察例句,体会并写出基数词的构成规律。1.Ihavefourpens,fivepencils,sixerasersandtwelvebooks.(112的基数词无规律)2.Thirteenboysandeighteengirlsareintheclassroom.(十三到十九,七个词词尾都有teen)3.Twentyandthirtyisfifty.(从二十开始,整十位数二十到九十,八个词词尾都有ty)4.Thetrousersaretwenty-sevendollars.(表示几十几的数字,两词中间加-),1.基数词的表达法,【巧学妙记】基数词不难记,找清规律很容易,十二以内词各异;十三数到十九去,后加teen莫忘记。二十、三十至九十,整十之后有ty;个位到十位,中间连字符(-)别忘记,十位到百位,中间and别忘记。,2.基数词的用法(1)基数词只能修饰可数名词,要注意数词和名词在数上要保持一致。twocups两个杯子twentyapples二十个苹果(2)表示编号时,用“事物+基数词”。例如:ClassFour四班Room302302房间,(3)表示年龄。Heisfortyyearsold.他四十岁了。(4)表示时刻。5:34读作fivethirty-four9:28读作ninetwenty-eight,T-shirt,hattrousers,skirtsweater,socksshorts,shoesjacket,bag,Makesentencesinthechartwiththewordsinthethreeboxes.,yellow,greenpurple,bluebrown,redwhite,black,thethisthatthesethose,thepurplehat,thisgreenskirt,thatredbag,thatwhiteskirt,theblueT-shirt,thebrownsocks,theredshoes,theseblueshorts,thosepurplesocks,theblackshorts,1.Howmuchisthehat?_2.Howmuchisthebag?_3.HowmuchistheT-shirt?_4._Theyrethreedollars.5._Itsninedollars.6._Itseightdollars.,Itsfivedollars.,Itstendollars.,Itssixdollars.,Howmucharethesocks?,Howmuchisthesweater?,Howmuchistheskirt?,Lookatthepicturesandwritethequestionsandanswers.,StudentA,lookatthepicturesin3bforaminuteandthencloseyourbook.StudentB,askquestions.,Howmucharethesocks?,Umm,theyrethreedollars.,.用所给词的适当形式填空1.Myclothes(be)redandwhite.2.Thesetrousersaregood.Illtake(they).3.Howmuch(be)thechicken?4.Whatcolorshe(want)?5.Idontknowthetwo(woman).,are,them,is,does,want,women,Exercise,.单项选择1.Arethoseyourshorts?Yes,.A.theyareB.thatisC.itisD.Iam2.Iwanttobuypants.A.aB.thisC.theseD.that,3.CanIhelpyou?.Ineedabasketball.A.No,thanksB.Yes,pleaseC.Yes,youcanD.No,youcant4.Thehatisnice,butitstooforme.Ilikeasmallone.A.smallB