青少新概念1BUnitppt课件.ppt

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1、Let'sreview!1love爱，喜爱pick摘salmon鲑鱼strawberry草莓piece一片，一块dessert甜点tonight今晚healthy健康的potato土豆meal膳食lettuce生菜worry担心cucumber黄瓜cream奶油fantastic极好的first首先2名词可分为可数名词和不可数名词。可数名词有单复数之分，前面可加数词(one、two、three--)或冠词（a、an、the）。anapple一个苹果fourapples四个苹果abook一本书threebooks三本书

2、3可数名词包括：(1)普通名词：boy男孩girl女孩apple苹果book书(2)集体名词：people人们人民(3)少数专有名词:China中国4不可数名词不可数名词主要包括两大类：物质名词与抽象名词。物质名词无法表示为个体的实物，如：rice大米、food食物、coffee咖啡、meat肉、bread面包、water水、tea茶.5抽象名词为动作、状态、品质等无法计数的抽象概念，如：happy开心、sad伤心、love爱.6名词的单复数变化：规则：1.一般情况　加-s如：mapsbagscars2.以s,sh,

3、ch,x等结尾的词　加-es如：buseswatches3.以不发音的e结尾的单词，直接加-s如：oranges4.以辅音字母加y结尾的词，变y为i加es如：baby---babies75.以o结尾的单词：1.加-es的词：英雄在土豆地里吃西红柿。heroespotatoestomatoes2.加-s的词：除了上面3个单词，其他以o结尾的词都加-spianosradios6.以f或fe结尾的名词变复数时，变f/fe为v加-esknife---knivesleaf---leaveswolf---wolveswife--

4、-wiveslife---livesthief---thieves；8名词变复数的不规则变化：1.变单词中的元音部分。foot---feettooth---teethmouse---miceman---menwoman---women2.加-renchild---children9dumplingdumpling√s10soupsoup×s11/fiſ/fishes/fiſiz/fish√fishfishes×种类鱼肉12ricerices×13orangejuiceorangejuices×14porridgepo

5、rridges×15oniononions√16vegetablesfruitA:Doyoulike……?B:No,Idon’t.A:Doyoulike…...?B:Yes,Ido.A:Doyouwantany……?B:No,thankyou.A:Whatdoyouwant?B:Iwantsome…….potatoesapplessweetschocolatesteacoffeeCommunication17Let'sdosomeexercises!18Unit25Theweekendshopping19Ifyouf

6、eelhotinSummer,whatdoyouwant?20NewWordsandExpressionsweekend周末loaf一块，一条shopping购物Sundaylunch星期日午餐supermarket超市Sunday星期日make攥写boring令人厌烦的shoppinglist购物清单icecream冰激凌need需要nasty难吃的21Doyouoftengotothesupermarket?Whatdoyoubuy?Ifyouwanttobuyalotofthings,whatshouldyou

7、dofirst?Questions:22What“nicethings”dotheywantfortheweekend?ListenandUnderstanding:23Lucy:Mum,thereisn'tanysugarinthehouse.Karen:Iknow.Imustgotothesupermarket.Let'smakeashoppinglist.Imustgo…不可回避的义务。Thereisn’t表示“没有，不存在”。sugar不可数，所以用单数isn’t。24Lucy:Ok.Howmuchsugar

8、doweneed?Karen:Twobags.Lucy:Twobagsofsugar…twobagsof…数字+可数度量单位+of+不可数名词,表示不可数名词量的多少25Lucy:Weneedsometea,too,Mum.Thereisn’tmuchteainthetin.Karen:Let’sgetfourpackets.Lucy:Four