《可数名词变复数的变化规则》

《可数名词变复数的变化规则》导学案名词在英语学习中是非常重要的，它分为可数名词和不可数名词。不可数名词可以简单地理解为无法用数计算的名词，比如肉类meat、chicken等,液体water，juice，orange，milk等。可数名词分单数和复数，单数常和a,an,the冠词连用，如adog,anapple,但是可数名词变复数是同学们在学习时接触过的语法现象，也是比较难以掌握的，同时也是每次考试涉及到的重要知识点，本节课我们一起总结可数名词变复数的规则。一、名词复数的规则变化1)一般的名词在词尾加-S2)以s、x、sh、ch结尾的名词加-esglasses,boxes,brushes,matches.3)以辅音字母加y结尾的名词，变y为i加escities,babies,cherries，countries4)以f或fe结尾的名词，多数变f为v加eshalf---halvesknife---knivesleaf---leaveswolf---wolveswife---wiveslife---livesthief---thieves；5)以o结尾的名词，有些加esNegroes,heroes,tomatoes,potatoes（黑人英雄爱吃土豆和西红柿），其它加s:radios,zoos,pianos,photos,二、名词复数的不规则变化1)改变内部的元音字母：foot→feet,tooth→teeth,mouse→mice，man→men,woman→women2)单复数同形：sheep→sheep,deer→deer,Chinese→Chinese,3）加renchild→children3）集体名词，people,class,police等本身就是复数三、复数的发音一般情况加-s清辅音后读/s/map-maps浊辅音和元音后读/z/bag-bags/car-cars以s,sh,ch,x等结尾加-es读/iz/bus-buses/watch-watches以ce,se,ze,等结尾加-s读/iz/license-licenses以辅音字母+y结尾变y为i再加es读/z/baby---babie名词单数变复数测试题一:名词单数变复数填空1：orangetextbedcomputer.applehouseplanetreelessonshirtmonth2：pianophotoradiozootomato.potato3：classfoxwatchglassdressc.brushboxbus4：shelfknifewifelife.leafthief5：familycountryarmy.citystorybabybutterflycountry6：toy.playdaykeyboy二：把下列的单词变为复数形式keyboyfamilycasebackpackdictionarywatchcomputergamenotebookbagmathalarmvideotapehatpeareggapplecarrotvegetablestarsockshirtshoeskirtsweaterclerkstoreshop_______三：句子单数变复数1：Thisisabook..__________________________2:Thatisaneraser.___________________________3:Itisaredapple.____________________________4:Iamaboy.______________________________5:He/Sheisateacher.__________________________6:What’sthis?_________________________________四：名词复数变单数练习1：Thosearemyfriends._________________________2:TheyareEnglishboys.__________________________3:Theyaresomeerasers.________________________4:Thesearedictionaries.___________________________5:wearestudents.___________________________6:whatcolorareyourbooks?______________________五：根据句意及所给单词填空。1：________(this)aremyEnglishbooks.2:Thetwoboysaremy_________(cousin)3:----_________thoseyourparents?----Yes,they_________.4:---Whoarethemanandthewomaninthepicture?----Theyaremy__________.5:MyauntJaneandmymotherare___________.6:Theyaremy__________(姨)。7:Ihavetwo___________(watch).Theyareonthedesk.8:Ihavesome__________(photo)ofmyfamily.9:Doyoulikethese____________(dictionary)?10:Arethoseyour_________(bus)?六：汉译英；1：这些是我的帽子。2：那些不是课桌。3：他们不是男孩。4：这个棒球在沙发上吗？不，它在椅子下面。5：这些字典是红色的吗？不，它们是蓝色的。