新版2012七年级上册英语Unit7_How_much_are_these_socks？.ppt

Unit7,Howmucharethesesocks?,Whatdoweusetobuythings?,Money,dollar美元,RMB人民币(yuan),注意：yuan没有复数而dollar和pound有复数。,Tipsyuan，dollarpound￥5fiveyuan5fivedollars5fivepounds,howmuch用于提问某物的价格，意为“多少钱”，其句式为“Howmuch+be+主语?”当主语是不可数名词或可数名词单数时，be动词用is，答语为Its+数额；当主语是可数名词复数时，be动词用are，答语为Theyre+数额。如：Howmuchisthisbag?这个包多少钱?Itssixdollars.六美元。Howmucharetheapples?这些苹果多少钱?Theyretwodollarsakilo.两美元一千克。,2.socks是sock的复数形式。在英语中，成双成对的物品常以复数形式出现。例如：,shoesshortstrousersglasseschopsticksscissors,此类词作主语时，谓语动词用复数形式；但与apairof（一双、一对或一副）连用作主语时，谓语动词用单数形式。如：Myshoesareunderthebed.我的鞋在床下了。ThatpairofshortsisJacks.那条短裤子是杰克的。,3.CanIhelpyou?我能帮助您吗？这是商店售货员或其他服务人员招呼顾客时的礼貌用语，相当于WhatcanIdoforyou?。接受对方的帮助常回答“Yes,please.”；拒绝对方的帮助用“No,thanks.”作答。如：CanIhelpyou?我能帮助您吗？Yes,please.Iwantapen.是的。我想要一支钢笔。,4.Ineedasweaterforschool.我需要一件毛衣上学穿。need是实义动词，意为“需要”。常用于以下句式中：1)need+sth.，表示“需要某物”。如：Ineedsomeerasers.我需要一些橡皮。2)need+todosth.表示“需要做某事”，这时need的主语是“人”。如：Youneedtoputonyourjacket.你需要穿上我有夹克。,5.Illtakeit.我要买下它。此句是选好商品并决定购买时的常用语。若选定的物品是单数，可以说“Illtake/haveit”；若选定的物品是复数则应说“Illtake/havethem.”。如：Thesweaterischeap.Illtakeit.这件毛衣很便宜。我买了。Theorangesare2dollars.这些桔子两美元。Illtakethem.我买了。,CanIhelpyou?服务员首先打招呼MayIhelpyou?WhatcanIdoforyou?Imlookingfor顾客讲出要求需要购买时IdlikeIwantCanIhavealookat只是闲逛时Justhavealook.No,thanks.Imjustlookingaround.询问顾客想买的商品时Whatkind/color/sizedoyouwant?Whataboutthecolor/size?向顾客推荐商品时Howdoyoulike?Howabout?Howmuchisit?询问和说明价格Howmucharethey?Whatsthepriceof?Its/Theyre决定购买Illtakeit/them.付钱Hereisthemoney.,进店时,挑选货物,hat,T-shirt,jacket,sweater,skirt,shorts,shoes,socks,trousers,dollars,Exercises,一看图说出下列物品的英语单词,Numbers,Presentation,ten,eleven,twelve,thirteen,fourteen,four,+,teen,16sixteen,17seventeen,19nineteen,fifteen,eighteen,twenty,twen,+,ty,thirty,thir,+,ty,40forty,50fifty,60sixty,twenty-one,thirty-two,sixty-seven,1.基数词的表达1)one到twelve,拼写和读音无规律可言,只能逐一记忆。2)thirteen到nineteen，表示“十几”，在个位数后加后缀-teen，其中要注意thirteen,fifteen和eighteen的拼写。3)twenty到ninety，表示“几十”，以ty结尾，但需注意twenty,thirty,forty,fifty,eighty的拼写。4)2129直到9199，表示“几十几”,用整十位数加个位表示,中间用连字符“-”把十位和个位连接起来。,5)onehundred意为“一百”，也可说ahundred，hundred可加具体数字，如ninehundred(900)。2.基数词的用法：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。如：onestudent一名学生twoboys两名男孩twentyapples二十个苹果thirty-threeeggs三十三个鸡蛋,1a,Listenandrepeat.,Writethenumbersin1anexttothecorrectword.Whichrowsofnumbersareinthewrongplaces?,1b,10,11,12,13,14,25,26,27,28,29,20,21,23,24,15,16,17,18,19,30,31,Listenandcirclethenumbersyouhearin1a.,1c,Listenagain.CirclethethingsinthepicturethatKateandhermomtalkabout.Check()thethingKatebuys.,1d,Howmuchis/are?,Its/Theyre,1.askirt_3.socks_5.shorts_2.asweater_4.trousers_6.shoes_,Howmuchdoyouthinkthesethingscost?Matcheachclothingitemwithaprice.,Thinking,2a,b,a,f,e,d,c,a.$3c.$30e.$22b.$15d.$20f.$25,Readtheadandfillthepricetags.,Mr.CoolsClothesStoreComeandbuyyourclothesatourgreatsale!Wesellallourclothesatverygoodprices.Doyoulikesweaters?Wehaveredandgreensweatersforonly$15!Yellowsweatersareonly$12!Doyouneedtrousers?Forboys,wehaveblacktrousersforonly$22.Andshortsareonly$16!Forgirls,wehaveskirtsinpurpleforonly$20.Howmuchareourjackets?Only$30!Andwehaveblackshoesforonly$28.Socksareonly$2forthreepairs！CometoMr.CoolsClothesStorenow!,2b,$15,$12,$20,$28,$22,$16,$2,$30,3.buy用作动词，意为“买”，常用短语为：buysb.sth./buysth.forsb.意为“给某人买某物”。如：Letsbuymomanewhat.（=Letsbuyanewhatformom.）我们给妈妈买顶新帽子吧。,4.clothes指身上穿的各种服装，包括上衣，内衣，裤子等，是衣服的总称。它不能直接与数词连用，但可以与some,many,these或those等连用。如：Look!Someclothesareonsaleoverthere.看！那边的衣服大减价了。,5.sale是动词sell的名词形式，常用短语：onsale，意为“出售；廉价出售”，其同义短语为atagreatsale。如：Thesweatersinthestoreareonsaletoday.今天这家商店的毛衣大减价了。6.all与定冠词、指示代词、形容词性物主代词等限定词连用时，all应放于这些词之前。如：allthestudents所有这些学生allherclothes她所有的衣服allthoserooms所有那些房间,7.atverygoodprices意为“以合理的价格(出售)”。price用作名词，意为“价格”。如：Whatsthepriceofthebook?这本书多少钱?Theyhavesweatersinallcolors,atthepriceof15each.他们有各种颜色的毛衣，每件售价是15元。,8.Forgirls,wehaveskirtsinredandpurpleforonly20.对于女孩，我们有红色和紫色的裙子，仅售20元。1)forgirls中的for是“对于而言”；foronly20中的for是“交换”的意思。2)该句中的in后接颜色的词，表示“穿颜色的”。如：Thegirlinredismysister.那个穿红衣服的女孩是我妹妹。,Practicetheconversationinagroup.,You:Hello,CanIhelpyou?Girl:Yes,please.Ineedaskirt.You:Howaboutthesepurpleskirts?Girl:Oh,Ilikethisone.Howmuchisit?You:Itsonly20dollars.Girl:Oh,good.Illtakeit.You:Andwhatdoyouneed?,Boy:Well,Ineedapairofblackshoesforschool.You:Whataboutthispair?Theyareonly28dollars.Boy:Great.Anddoyouhaveshorts,too?You:Yes,ourshortsareonly16dollars.Boy:OK.Illtaketheshoesandtheshorts.,一、填表格，记数字。,eleven,13,fifteen,12,twenty,16,eighteen,19,thirty,twenty-six,21,twenty-eight,35,thirty-nine,Exercises,二、做数学题，学英语。1.twenty-sixtwelvenine=_2.sixteeneighteleven=_3.eighteensevenfifteen=_4.thirteenfourteentwenty-five=_5.twenty-ninethirteenten=_6.thirty-ninetwentyfive=_7.twelvethirteenfifteen=_8.nineteeneleventwenty=_,five,thirty-five,twenty-six,two,six,fourteen,ten,twenty-eight,三、用介词at,for,in填空。1._girls,weyoucanbuyskirt_￥16.2.Thegirl_redsweaterismycousin,Jenny.3.Comeandbuyyourclothes_ourgreatsale.4.Doyouknowtheboy_black?5.Theysellniceclothes_goodprices.6.Hisgrandfatherlikesnoodles_breakfast.7.PleasecallAllan_789-5466.,For,in,at,in,at,for,for,at,二、单项选择1.Ilikethatwatch._isit?Its20yuan.A.HowmanyB.HowmuchC.Whatcolor2.MyT-shirt_whiteandmyshorts_yellow.A.is;areB.are;areC.are;is3.Iwant_theblueT-shirt?A.getB.getsC.toget,B,A,C,4._,sir?Ineedapairofsportsshoes.A.CanIhelpyouB.HowdoyoudoC.Whatdoyoudo5.CanIuse(用)youreraser?Yes._.A.ThankyouB.YourewelcomeC.Hereyouare,A,C,三、句型转换。,1.