小学英语可数名词变复数形式的规则1一般情况，在词尾加-s.desk---desks书桌girl---girls女孩boy---boyspen---pens2以-s,-x,-ch,-sh结尾的词，在词尾加--esbus---busesbox--boxesbrush--brusheswatch--watch3以辅音字母加-y结尾的词，变y为i，加-esbaby-babies婴儿family--families家庭4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---tomatoes西红柿potato--potatoes马铃薯6可数名词变为复数形式的不规则变化如下：foot---feet脚mouse---mice老鼠goose---geese鹅ox---oxen公牛man---men男人woman---women女人child---children孩子Chinese--Chinese中国人deer---deer鹿sheep---sheep绵羊fish---fish鱼同步练习题把单数变成复数：box__________pencil_____________watch________star______________door__________window__________bag__________bowl____________book_________dog_________________cat__________flower__________-_____tree_________chair________________people_______girl_________________man_________woman______________policeman__________policewoman_________tooth______________goose________________doctor_____________teacher______________child_____________student______________eye______________ear________________photo____________map_______________picture__________desk_______________life____________leaf_______________half____________shelf_______________wolf____________bird_____________panda____________lion______________fish______________deer____________sheep______________candy_____________family_____________baby_____________toy________________car_____________bus________________cup_____________bottle_____________lake______________hill_______________wall_____________stamp____________Chinese__________festival_____________mountain____________floor_______________noodle______________fruit________________dumpling___________apple______________pear________________vegetable___________grape_______________banana_____________cherry______________watermelon__________orange______________ox__________________foot_______________arm________________leg________________necklace____________game______________computer___________mouse_____________dish_______________tomato____________potato_____________onion_____________cabbage___________kite______________ship______________chopstick_________spoon____________cloth_____________pant_____________shirt____________hat______________cap_____________sweater___________sock____________gift_______________present_________lantern____________sister__________brother____________light__________key______________monkey________tiger____________rabbit__________snake___________animal_________frog____________toad____________shoe____________knife____________fan______________glass____________rose____________brush__________bear___________son__________uncle____________aunt___________eraser____________plane___________口诀：单数句子变，变化规则要记住。名词代词要变化，am,is要变are。this,that变成啥，these,those来替它。he,she,it要变啥，全部变they不用怕。I要变we莫落下，名词后面把s/es加。名前冠词去掉它，其余成分原样加。具体注意下面的六要素：1.单数主格人称代词要变成相应的复数主格人称代词，即I→we;you→you;she,he,it→they。如：Sheisagirl.→Theyaregirls.2.am,is要变为are。如：I'mastudent.→Wearestudents.3.不定冠词a,an要去掉。如：Heisaboy.→Theyareboys.4.普通单数名词要变为复数形式。如：Itisacat.→Theyarecats.5.指示代词this,that要变为these,those。如：Thisisabook.→Thesearebooks.6.man,woman作定语修饰可数名词时，要在"数"上与被修饰名词保持一致。但其他名词修饰名词表示"性质"时，不作变化。如：Heisamandoctor.→Theyaremendoctors.Thisisanappletree.→Theyareappletrees.单复数相互转换，每空一词(含缩写)。1.Thewomanisanurse.(改为复数句)The___________________________.2.Therearesomeoldcars.(改为单数句)There__________________old_________.3.Hehasanewbook.(改为复数句)__________________new_________.4.Aretheseyourchicks?(改为单数句)______________your_______?5.Isthereasheepintheplayground?(改为复数句)________there________________intheplayground?
