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一、单数变复数：classroom-window-light-picture-computer-floor-wall-teacher’sdesk-schoolbag-door-fan-cake-name-storybook-toy-kite-candy-notebook-blackboard-key-picture-shoe-glass-bag-二、用括号里的词的正确形式填空。Ihavetwo(candy),three(key),some(toy),some(storybook)anda(panda)inmy(schoolbag)。可数名词变复数形式的规则1一般情况，在词尾加-s.desk---desksgirl---girlsboy---boyspen---pens2以-s,-x,-ch,-sh结尾的词，在词尾加--esbus---busesbox--boxesbrush--brusheswatch--watches3以辅音字母加-y结尾的词，变y为i，加-esbaby-babiesfamily--families4以-f或-fe结尾的词，变f或fe为v，再加-esknife---knives刀leaf---leaves树叶5以辅音字母加-o结尾的词，一般情况下，在词尾加-estomato---tomatoespotato--potatoes6可数名词变为复数形式的不规则变化如下：foot---feetmouse---miceman---menwoman---womenchild---childrenChinese--Chinesedeer---deersheep---sheepfish---fish●名词单数变复数练习box_________pencil____________watch_______star__________door________flower________window_________bag_________book________dog____________cat__________tree_________people_______girl_____________man_________woman___________policeman______tooth_____doctor_________teacher__________child_________class________student__________eye________ear_________photo_______map___________desk__________half_________bird_________wolf________family________sheep________baby_______bus_________cloth________key________tomato__________mouse_______dish_________eraser_________apple__________