七年级英语上册Unit7Howmucharethesesocks？SectionAGrammarFocus—3c人教新目标版.ppt

Unit7Howmucharethesesocks?SectionA(GrammarFocus3c),【备选要点】Howmuchisthehat?这顶帽子多少钱?Howmucharethoseblacktrousers?那些黑色的裤子多少钱?【句型剖析】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?,【归纳拓展】购物用语小结(1)Clerk(店员)常用语:CanIhelpyou?/WhatcanIdoforyou?Wehavesweatersinmanycolors.Whatcolordoyouwant?Hereyouare.Yourewelcome.,(2)Customer(顾客)常用语:Yes,please.Iwanta/an.No,thanks.Howmuchisit?/Howmucharethey?Illtakeit/them.,【学以致用】翻译句子要我帮忙吗?_这件夹克衫多少钱?_这副眼镜多少钱?theglasses?答案:CanIhelpyou?/WhatcanIdoforyou?Howmuchisthejacket?Howmuchare,基数词【观察领悟】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-),【知识构建】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,【学以致用】用英语写出下列基数词1.2352.1512133.204078答案:1.two;three;five2.fifteen;twelve;thirteen3.twenty;forty;seventy-eight,.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).答案:1.are2.them3.is4.does;want5.women,.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.bigC.dearD.chea