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, 5O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_,knife_,leaf_, wife_.man_, woman_, policeman_, policewoman_, foot_,tooth_goose_,mouse_,sheep_,deer_child_,Chinese_, Japanese_paper_，juice_，water_, milk_, rice_, tea_, hair_, coffee_,bread_,meat_, people_, fish_, sheep_, I _ 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-photosfamily-families, strawberry-strawberries,baby-babies, lady-ladies, factory-factories,library-libraries,knife-knives, leaf-leaves, wife-wives, shelf-shelvesman-men, woman-women, policeman-policemen, policewoman-policewomen, foot-feet,tooth-teethgoose-geese,mouse-mice,sheep-sheep,deer-deerchild-children,Chinese-Chinese, Japanese-Japanesepaper，juice，water, milk,