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1、名词单复数知识点一：可数名词单复数名词：包括可数名词（如：pear，tomato，banana,carrot）和不可数名词(如：drink,beef,chicken,meat,coffee)1.be动词用is，Thisbananaisyellow.Mypencilcaseisonthedesk.2.行为动词用三单。(一般现在时)Thegirlwearsabeautifuldress.Thatteacherhasanumbrella.1.a;an(名词首字母发音为元音)，one都表示一个2.this(这个);that(那个);the（表示特定的某一个）3
2、.my,your等形容性物主代词可数名词单数修饰词:可数名词单数做主语时:可数名词可数名词复数数1.be动词用are，Thisbananasareyellow.Mypencilsareonthedesk.2.行为动词用三单。(一般现在时)Thegirlswearbeautifuldresses.Theseteachershaveanumbrella.AlotofpeoplecometoBeijing.1.两个以上的基数词，如three2.these(这些);those(那些);the（表示特定的某些）3.my,your等形容性物主代词4.many,to
3、omany;some,any,lotsof,alotof修饰词:可数名词复数做主语时:可数名词单数变复数规则：1.普通直接加sboy-boystoy-toys2.以s、sh、ch、x结尾的名词，加es，bus-buses;class-classes;fish-fishes(此时的fish当“鱼的种类”讲);watch-watches;box-boxes;fox-foxes3.以辅音字母+y结尾的名词，去y改iescity-cities4.以”o"结尾的名词：（1）有生命的，加es（2）无生命的，加s，potato-potatoes,tomato-tom
4、atoeszoo-zoos;photos5.以f或fe结尾的名词，去f或fe改veswolf-wolves;shelf-sheves6.单复同形的名词：fish-fish(此时fish当“同类鱼的很多条”讲),第14页共14页sheep-sheep(绵羊).练习题：1．Iwanttobuysome____________(tomato)．2．Therearetwo____________(potato)onthetable．3．Eatingtoomany______________(vegetable)isgoodforus．4．Milkandfish
5、aregoodforyour__________(tooth)．5.Bananasmyfavouritefruit.6．Therabbitlovetoeat___________(胡萝卜)7．Pleasegivemeakiloof__________(牛肉)8．Thereis__________(一个)onioninthebag．9．Don’teattoomuch_________(盐)．10．Toomuch____________(糖)isn’tgoodforyourhealth．11．Iliketoeat________(fish)．12．Ther
6、earesome________(fish)intheriver．【答案】1.tomatoes2.potatoes3.vegetables4.teeth5.are6.carrots7.beef8.an9.salt10.sugar11.fish12.fishes13.C知识点二：不可数名词修饰词不可数名词做主语时1.be动词用is，Thebeefisgreat.Mywaterisinthebottle.2.行为动词用三单。(一般现在时)Thecheesetastesgood.Mymikehaswhitecolour.1.the（表示特定的某些）2.my,
7、your等形容性物主代词3.much,tootoomuch;some,any,lotsof,alotof,abottleof,aglassof,apieceof不可数名词toomuch:太多，后加不可数名词；toomany:太多，后加可数名词复数muchtoo:太，表程度some和any都可以修饰可数名词复数和不可数名词。some用于肯定句，any用于否定句和疑问句1．There’ssome___________(water)intheglass．2．Theyhavegotsome____________(orange)juice．3．Eatingto
8、omany______________(vegetable)isgoodforus．第14页共
