41-42新概念英语第一册ppt课件lesson41-42

Lesson41PennysBag,学习目标,1学习不可数名词2区别可数名词和不可数名词3学习表达不可数名词的量,可数名词,可数名词可以用数目来计算的名词eg.deskadesktwodesks可数名词的单数前面可以加”a”或an”,复数后面可以加s”或”es.见L15L16,cheesen.乳酪，干酪（不可数名词）apieceofcheese一块乳酪twopiecesofcheese两块乳酪,breadn.面包(不可数名词）aloafofbread一块未切好的面包twoloavesofbread两大块面包apieceofbread一片面包twopiecesofbread两片面包,soapn.肥皂abarofsoap一块肥皂fivebarsofsoap五块肥皂,chocolaten.巧克力（不可数名词）abarofchocolate一块巧克力tenbarsofchocolate十块巧克力,sugarn.糖（不可数名词）apoundofsugar一磅白糖sixpoundsofsugar六磅白糖somesugar一些白糖pound1)磅（重量单位）threepoundsofsugar三磅糖2）英镑（货币单位）onepound一英镑threepounds三英镑,candysweets糖果,coffeen.咖啡（不可数名词）acupofcoffee一杯咖啡blackcoffee:coffeewithoutmilk不加牛奶的咖啡whitecoffee加牛奶的咖啡,tean.茶（不可数名词）绿茶greentea红茶blacktea一杯茶acupoftea,tobaccon.烟草，烟丝（不可数名词）atinoftobacco一听烟丝cigaretten.香烟（可数名词）apackofcigarettes.一盒香烟,不可数名词,Cheesen.乳酪，干酪breadn.面包soapn.肥皂chocolaten.巧克力sugarn.糖coffeen.咖啡tean.茶(叶)tobaccon.烟草，烟丝大家观察下这些单词有什么共同点呢？这些词都是不可数名词。不可数名词前面不能直接加不定冠词”a”或”an”，并且它们也没有复数形式。,量词,aloafofbreadabarofsoapapieceofcheeseabottleofmilkapoundofsugaraquarterofatinoftobacco,一块/条/个（棱角不分明的长方体）,一块/条（棱角分明的长方体）,一张/块/片/条（薄片切片等较薄的）,一瓶,一磅（0.4536KG=0.907斤）,四分之一,一听,造句,therebe句型表示某地有某物Thereisa/an+可数名词单数Thereissome+不可数名词在盘子里有一些乳酪。Thereissomecheeseontheplate.变疑问Isthereanycheeseontheplate？在盘里有几片面包。Thereissomebreadontheplate.变疑问Isthereanybreadontheplate？在盒子里有一些香皂。Thereissomesoapinthebox.疑问Isthereanysoapinthebox？,变疑问（一调二变三问号）,some用于肯定句any用于疑问和否定句若是可数名词怎么变疑问句呢？spoon?盘子里有一个勺子ThereisaspoonontheplateIsthereaspoonontheplate？书本打开84页,SAN:Isthatbagheavy(重的),Penny?PENNY:Notvery（口语化）.省略形式：全句：Itisnotveryheavy.,SAN:Here!Putitonthischair.Whatsinit?放这儿！放到椅子上来。里面是什么东西啊？it指bagWhatsinit?里面是什么东西？在不知道里面有什么东西的情况下我们一般用系动词单数形式is，而不用are.e.g.-Whatsinyourbag?-Threebooks.,PENNY:Apieceofcheese.Aloafofbread.Abarofsoap.AbarofChocolate.Abottleofmilk.threepiecesofcheese三块乳酪(复数加在量词piece的后面）piece还可以指条，片，张等。apieceofpaper一张纸,PENNY:Apieceofcheese.Aloafofbread.Abarofsoap.AbarofChocolate.Abottleofmilk.一个面包loaf(单）-loaves(复）,Apoundofsugar.Halfapoundofcoffee.Aquarterofpoundoftea.Andatinoftobacco.half一半halfayear半年halfapound半磅halfapoundofsth.,Apoundofsugar.Halfapoundofcoffee.Aquarterofpoundoftea.Andatinoftobacco.四分之一磅茶叶quarter四分之一，一刻钟，一季aquarterof.的四分之一aquarterofapound一磅的四分之一（四分之一磅）,Apoundofsugar.Halfapoundofcoffee.Aquarterofpoundoftea.Andatinoftobacco.一听烟丝。,SAN:Isthattinoftobaccoforme?PENNY:Well,itscertainlynotforme!for给,为.e.g.Thisbottleofmilkisforhim.这瓶牛奶是给他的。Itsnotforme!它不是给我的。it=thetinoftobacco,SAN:Isthattinoftobaccoforme?PENNY:Well,itscertainlynotforme!certainly当然ofcourseItscertainlynotforme.Itsofcoursenotforme.,小结cheese/bread/soap/chocolate/milk/sugar/coffee/tea/tobacco这些词都是不可数名词。不可数名词前面不能加不定冠词”a”或”an”，并且它们也没有复数形式。,表示数量的短语有：apieceofaloafofabarofabottleofapoundofatinof表示复数概念的时候在量词上起变化twotinsoftobacco.,Lesson41Pennysbag彭妮的提包,SAN:Isthatbagheavy,Penny?PENNY:Notvery.SAN:Here!Putitonthischair.Whatsinit?PENNY:Apieceofcheese.Aloafofbread.Abarofsoap.AbarofChoco