名词单数变复数---四年级

名词单复数变化规则:1．一般情况下，直接加-s，如：book-books,bag-bags,cat-cats,bed-beds,boy-boys,pen-pens.2．以s,x,sh,ch结尾，加-es，如：box-boxes,bus-buses,brush-brushes,watch-watches.3．以“辅音字母+y”结尾，变y为i,再加-es，如：family-families,strawberry-strawberries,baby-babies,lady-ladies,factory-factories,library-libraries,4．以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives,leaf-leaves,wife-wives,5．O结为分两类：有生命的,加-es,如potato-potatoes,tomato-tomatoes.没有生命的,加-s,如photo-photos不规则名词复数：man-men,woman-women,policeman-policemen,policewoman-policewomen,foot-feet,tooth-teethgoose-geese,mouse-mice,sheep-sheep,deer-deerchild-children,Chinese-Chinese,Japanese-Japanese6)不可数名词的复数就是原型：paper,juice，water,milk,rice,tea,hair,coffee,bread,meat,people,fish,sheep.写出下列各词的复数book______,bag______,cat______,bed______,boy______,pen______.box______,bus_____,brush______,watch______,potato______,tomato______.photo______family______,strawberry______,baby______,lady______,factory______,library______,④knife______,leaf______,wife______.⑤man______,woman______,policeman______,policewoman______,foot______,tooth______goose______,mouse______,sheep_____,deer______child______,Chinese______,Japanese______⑥paper______，juice______，water______,milk______,rice______,tea______,hair______,coffee______,bread______,meat______,people______,fish______,sheep______,⑦I_________him_________her______this________that________book-books,bag-bags,cat-cats,bed-beds,boy-boys,pen-pens.box-boxes,bus-buses,brush-brushes,watch-watches,potato-potatoes,tomato-tomatoes.photo-photosfamily-families,strawberry-strawberries,baby-babies,lady-ladies,factory-factories,library-libraries,④knife-knives,leaf-leaves,wife-wives,shelf-shelves⑤man-men,woman-women,policeman-policemen,policewoman-policewomen,foot-feet,tooth-teethgoose-geese,mouse-mice,sheep-sheep,deer-deerchild-children,Chinese-Chinese,Japanese-Japanese⑥paper，juice，water,milk,rice,tea,hair,coffee,bread,meat,people,fish,sheep,⑦I_________him_________her______this________that________