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Unit16-18100秒不NG记忆大挑战•规则:•每组成员在2分钟之内写出unit16-18的单词,越多越好。多的那一组加2分。写完之后派出另一位组员读出单词并说出中文意思,读完再抽签,抽到多少分就是多少分。可数名词与不可数名词1.可数名词anelephantalampahouseadress能独立存在的个体人、事物和以集体形式出现的人、事物。个体名词集体名词classfamilyfruits2.可数名词的用法当人或事物只有一个的时候,成为单数。习惯上,我们用a,an或one来表示这种单个的数量。apeachastrawberryawatermelonacherryanice-creamanegganappleanorange4.可数名词的构成和用法1)一般在名词的后面加上-s,在清辅音后发[-s],在浊辅音和元音后发[-z].如:abiscuitfivebiscuits[-s]awatermelonthreewatermelons[-z]apearelevenpears[-z]2)以-ch,-sh,-s,-x结尾的单数名词后加-es,读作[-iz].如:abusthreebuses[-iz]apeachtwopeaches[-iz]3)以辅音字母加y结尾的单数名词,把y改成i,再加-es,读作[-iz].如:acitytwocities[-iz]4)以-o结尾的,有的加-s,有的加-es,读作[-z].如:atomatotwotomatoes[-z]aradiotworadios[-z]5)以-f或-fe结尾的,有的直接加-s,有的改-f或-fe为-v,再加-es,读作[-vz].如:aleaftwoleaves[-vz]aknifefourknives[-vz]6)少数名词的复数形式是不规则变化amantwomenachildtwochildrenasheeptwosheepfourpeople3.不可数名词1)物质类不可数名词:A.液体类不可数名词:tea,ink,juice,coffeeB.食品类不可数名词:fish,chicken,chocolate,honey2)抽象名词:work,wealth,homeworkaglassoforangejuiceacupofteaaglassofmilkabowlofsoupwatersomefishsomebeefsomebreadabowlofrice1.不可数名词没有复数形式rice(不能说rices)bread(不能说breads)2.不可数名词前面一般不直接加a或an,但可用不同的量词来搭配aboxofmilk(不能说amilk)abottleofwater(不能说awater)3.some,any可以与不可数名词连用someteasomebread4.不可数名词只作单数看待1)Somesoupisinthebowl.2)A:What’sontheplate?B:There’ssomechicken.这些不可数名词你都记住了吗?rice米饭bread面包meat肉chicken鸡肉congee粥coffee咖啡tea茶duck鸭肉beef牛肉pork猪肉water水milk牛奶fish鱼肉4.名词的单复数与主谓一致普通名词分为可数名词和不可数名词,而可数名词和又有单复数之分。名词的数与主语有什么关系呢?A:What’sthis?B:It’sanegg.A:Whatarethoseinthebasket?B:Theyaregrapes.A:Guesswhat’sintheglass?B:Thereissomecoke.Oh,我明白了,谓语是随名词数的变化而变化,名词的数与谓语保持一致,即主谓一致。1)当名词是单数时,谓语用单数形式。Thereisacakeontheplate.2)当名词是复数时,谓语用复数形式。Therearetwobiscuitsontheplate.3)不可数名词当作单数对待。Thereissomebeefontheplate.•Thereisabeautifulflower.•Therearesomebeautifulflowers.•Therearenotanybeautifulflowers.•Thereisatree.•Thereisadognearthetree.•Therearesomeleavesontheground.•Therearenotanyleavesontheground.•Arethereanyleavesontheground?A:Haveyou____cakes?Ifyouhave____,pleasegiveme____.B:Sorry,Ihaven't____cakesleft.anyanyanysomeA:Haveyou____cakes?B:Yes,Ihave____cakesleft.\No,Ihaven't____cakesleft.someanyany
本文标题:新概念英语青少版1B-unit16-18
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