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1、可數(shù)名詞單數(shù)變復數(shù)專項練習一、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，必須單獨記?！久钫Z詮釋】①大部分單數(shù)可數(shù)名詞變?yōu)閺蛿?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__________________10.五個實驗室__________________四．用所給的單詞的復數(shù)的正確形式填空：1.TomandKingare_____(boy).2.Therearethree______(chair)intheclassroom.3.These_______(tomato)arered.4.______
