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1、可數(shù)名詞單數(shù)變復(fù)數(shù)專項練習(xí)一、變化規(guī)則1、一般情況下直接在詞尾加s例:book---books??apple---apples??????name---_________????????friend---_________??????girl---__________classmate---_________???????student---__________?????????teacher---_________??2、以s,x,sh,ch結(jié)尾的單詞,加es例:bus---buses???box---boxes???fish---fishes?class---?????
2、?????fox---?????????beach---??????????watch---???????lady---______baby---______3、以f或fe結(jié)尾的單詞,把f或fe變成v加es例:leaf---leavesknife---????________???(刀)???wife---??????(妻子)4、以輔音字母加y結(jié)尾的單詞,把y變i加es例:fly---flies??????factory---_______???library---_______?????baby---_____?【速記口訣】單數(shù)變復(fù)數(shù),規(guī)則要記住,一般加s,特殊有幾處:s
3、結(jié)尾,es不離后,末尾字母o,大多加s,兩人有兩菜,es不離口,詞尾f、fe,s前有v和e;沒有規(guī)則詞,必須單獨(dú)記?!久钫Z詮釋】①大部分單數(shù)可數(shù)名詞變?yōu)閺?fù)數(shù)要加s,也就是單詞如果以ch,sh,s,x等結(jié)尾,則一般加es;②以o結(jié)尾的單詞除了兩人(negro,hero)兩菜(tomato,potato)加es外,其余一般加s;③以f或fe結(jié)尾的單詞一般是把f,fe變?yōu)関e再加s;④英語中還有些單詞沒有規(guī)則,需要特殊記憶,如:child—children,mouse—mice,deer—deer,sheep—sheep,Chinese—Chinese,man—men,woman
4、—women,foot—feet,tooth—teeth。二、將下列的名詞變成復(fù)數(shù)形式。1.book___________2.pen___________3.ruler_________4.house___________5.orange___________6.eraser_________7.class___________8.box___________9.blackboard_________10.watch___________11.bus___________12.classroom_________13.city___________14.factory___
5、________15.crayon_________16.country___________17.family___________18.playground_________19.hero___________20.potato___________21.thing_________22.tomato___________23.photo___________24.foot_________25.piano___________26.knife___________27.fish_________28.leaf___________29.life___________3
6、0.sheep_________31.foot___________32.tooth___________33.bed_________34.man___________35.woman___________36.child_________37.toy?___________38.mouse___________39.pencil_________三.請寫出下列短語。1.五只橡皮擦_________________2.十個教室________________3.兩個鉛筆盒_________________4.六只鋼筆________________5.七支鉛筆______
7、____________6.三個圖書館_______________7.九支蠟筆__________________8.四只尺子_____________________9.八個操場__________________10.五個實(shí)驗室__________________四.用所給的單詞的復(fù)數(shù)的正確形式填空:1.TomandKingare_____(boy).2.Therearethree______(chair)intheclassroom.3.These_______(tomato)arered.4.______