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1、可數(shù)名詞有單數(shù)和復(fù)數(shù)兩種形式。指一個(gè)人或一件事物時(shí)，用單數(shù)形式；指兩個(gè)或多個(gè)人或事物時(shí)用復(fù)數(shù)形式。名詞由單數(shù)形式變成復(fù)數(shù)形式的規(guī)則如下：? 1.一般的名詞詞尾直接加-s。如：? book→booksroom→rooms? house→housesday→days? 2.以s, ss,ch, sh,x結(jié)尾的名詞，在詞尾加-es。如：? bus→busesglass→glasses? watch→watches? dish→dishesbox→boxes? 3.以"輔音字母+y"結(jié)尾的名詞，要先將y改為i再加-es。如：? city→citiesbody→bodie
2、s? factory→factories等等。? 4.以f或fe結(jié)尾的名詞，要將f或fe改為v再加-es。如：? half→halvesleaf→leaves? knife→kniveswife→wives? 5.特例[悄悄話：特例常?？?，要記住。]? ?、賑hild→children? ?、趍an→menwoman→women? policeman→policemen? (規(guī)律：man→men)? ③tomato→tomatoes? potato→potatoes? [悄悄話：初中英語以o結(jié)尾的名詞變復(fù)數(shù)時(shí)只有這兩個(gè)詞加-es，其余的當(dāng)然加-s嘍！如：pho
3、to→photos]? ?、躥oot→feettooth→teeth? [悄悄話：oo變成ee。]? ?、輘heep,Chinese,Japanese單、復(fù)數(shù)同形 [悄悄話：變復(fù)數(shù)時(shí)詞形不變。]? ⑥people單數(shù)形式表示復(fù)數(shù)意義，要求謂語動(dòng)詞用復(fù)數(shù)； people的復(fù)數(shù)形式peoples通常指"多個(gè)民族"?！ ?三、不可數(shù)名詞的家務(wù)事? 1.不可數(shù)名詞沒有復(fù)數(shù)，當(dāng)它作句子的主語時(shí)，謂語動(dòng)詞要用單數(shù)形式。如：? Thefoodisveryfresh. 食品很新鮮。? 2.有的不可數(shù)名詞也可以作可數(shù)名詞，有復(fù)數(shù)形式，但他們的意義往往發(fā)生變化。如：? water(水)→
4、waters(水域)? orange(橘汁)→oranges(橘子)? 3.很多的不可數(shù)名詞表示泛指時(shí)為不可數(shù)，表示種類時(shí)就可數(shù)，但意義大多不發(fā)生變化。如：? fruit→fruitsfood→foods? fish→fisheshair→hairs? 用所給名詞的適當(dāng)形式填空。? 1.Howmany________(sheep)arethereonthehill?? 2.Thereissome________(food)inthebasket.? 3.Thebabyhasonlytwo________(tooth)now.? 4.Thereisalotof___
5、_____(water)inthebottle.? 5.Therearefive________(people)inhisfamily.? 6.Let'stake________(photo),OK?? 7.Ihavelotsof________(tomato)here.? 8.The________(leaf)onthetreeturn-yellow.? 9.The________(child)areplayinggames?ontheplaygroundnow.? 10.Their________(dictionary)looknew.? 11.Iseeyouh
6、aveafewwhite________(hair).? 12.Theyare________(woman)doctors.? 13.Canyougivemesomebottlesof____(orange),please?? 14.Therearemany________(fox)inthepicture.? 15.Iwouldlikesomeapple________(juice).Iamverythirsty.?把下列單詞變成復(fù)數(shù)1.tomato_______________2.museum_______________3.watch_______________4
7、.fish_______________5.people_______________6.brush_______________7.man_______________8.leaf_______________9.bus_______________10.library_______________
