Let'slearnB刘宝兰(Libby)2016/09/24Ilostmyschoolbag.丢失What'sinmyshcoolbag?candytoykeynotebooknotebookfournotebookstoysometoyskeythreekeyscandyeightcandiestoy---key---candy---toyskeyscandies以辅音字母+y结尾的名词变复数,将y改成ies.What'sinmyschoolbag?Therearethreekeys,twotoys,twocandiesandanotebook.我的书包里有什么?有三把钥匙,两个玩具,两颗糖和一本笔记本。√√Hereitis!我的书包里有什么?What'sinmyschoolbag?你的书包里有什么?What'sinyourschoolbag?有五颗糖,三把钥匙,两本笔记本和一些玩具。Therearefivecandies,threekeys,twonotebooksandsometoys.Whereisit?它在哪儿?它在玩具旁.It'snearthetoys.它在这儿!Hereitis!Excuseme.对不起,打扰一下。它是什么颜色?Whatcolourisit?有多少本数学书?Howmanymathsbooks?我丢失了我的书包。Ilostmyschoolbag.可数名词变复数的规则:(1)一般情况下,直接在名词后面加s。如:blackboard--blackboardsdesk--deskswindow--windowslight--lights(2)以s,ss,ch,sh,x结尾的单词,在单词后加es。如:bus--busesglass--glasseswatch--watchesdish--dishesbox--boxespencil-box--pencil-boxes可数名词变复数的规则:(3)以辅音字母加y结尾的单词,将y改成ies.如:candy--candiesbaby--babiesstudy--studies(4)以f,fe结尾的单词,将f或fe改成ves.如:knife--knivesleaf--leaveswife--wives可数名词变复数的规则:(5)以o结尾,且有生命的单词,加es。如:tomato--tomatoespotato--potatoes(6)有些单词单复数同行。(单复数相同)sheep--sheepdeer--deerpeople--peopleChinese--Chinese(7)不规则变化。man--menwoman--womenchild--childrenfoot--feettooth--teethmouse--mice