【正文】 ople。ox→oxen 十三、一些單數(shù)詞得加en才能變成復(fù)數(shù)詞： 例：ox→oxen。child→children。brother→brethren 十四、一些單數(shù)詞得改頭換面一番,才能變成復(fù)數(shù)詞例：analysis→analyses分析。basis→bases基礎(chǔ)。datum→data數(shù)據(jù)。foot→feet。formula→formulae/formulas公式。goose→geese。louse→lice虱子。man→men mouse→mice。medium→media/mediums媒介。memorandum→memoranda/memorandums備忘錄。parenthesis→parentheses 圓括號(hào)。phenomenon→phenomena現(xiàn)象。radius→radii 半徑 tooth→teeth。woman→women十五、有些名詞是單數(shù)、復(fù)數(shù)不分的例：deer。fish。cannon。sheep。salmon 鮭魚。trout 鱒魚 十六、一些名詞雖分單數(shù)、復(fù)數(shù)，但出現(xiàn)次數(shù)多的總是單數(shù)詞例：abscence。clothing。film。help。furniture家具。machinery機(jī)械。news。scenery風(fēng)景。sugar。traffic交通十七、另一些名詞則以復(fù)數(shù)詞出現(xiàn)的機(jī)會(huì)較多例：bellows風(fēng)箱。clothes。police。shorts短褲。scissors剪刀。spectacles眼鏡。shears大剪刀 trousers長褲。wages工資十八、pound nouns，這類復(fù)數(shù)詞是以主要的名詞來表示例：daughterinlaw→daughtersinlaw 媳婦。fatherinlaw→fathersinlaw岳父 manofwar→menofwar兵艦。maidservant→maidservants stepson→stepsons晚子。soninlaw→sonsinlaw十九、若表達(dá)具體數(shù)目，要借助數(shù)量詞例：pair(對(duì)，雙)。suit(套)。a pair of glasses。two pairs of trousers二十、另外還有一些名詞，其復(fù)數(shù)形式有時(shí)可表示特別意思，例：goods貨物，waters水域，fishes（各種）魚二十一、除人民幣元、角、分外，美元、英鎊、法郎等都有復(fù)數(shù)形式。例：a dollar, two dollars。a meter, two meters 以O(shè)結(jié)尾的詞，許多加es構(gòu)成復(fù)數(shù)，特別是一些常用詞如：heroes,potatoes,tomatoes,echoes,tornadoes,torpedoes,dominoes,vetoes,mosquitoes,Negroes,mangoes,buffaloes,volcanoes但下面幾類詞只加s：“元音+o”或“oo”結(jié)尾的詞如:videos,radios,studios,folios,oratorios,embryos,zoos,bamboos,kangaroos,taboos，特別是音樂方面的詞，如：pianos,solos,concertos,tobaccos,mottos,cellos ，如：kilos,photos,memos,micros,Eskimos,Filipnos 有個(gè)別詞加兩種詞尾都可以，如：archipelago(e)s,halo(e)s,cargoes(英），cargos(美）名詞由單數(shù)變成復(fù)數(shù)的練習(xí)寫出下列名詞復(fù)數(shù)leaf______ puppy_______ box_______ knife_______ fly______ fox______ bus______ bench_____ brush_____ kiss______ church______ dish_____ ruler______ peach________ glass_____ pencil________ boy______ zoo______ man______ roof_______ sheep_______ knife______ lady______ key______ story______ watch______ bamboo______ city______ family______ day_____ apple_______ eraser______ speech______ thief______ mouse______ fish_____ goose____ people ______ ox_____ Chinese _______ deer _______ foot______ child_______ tooth_______ guy________ hero_______ spy______ boss_____ monkey______ city ______ goat ______ radio ________ horse ______ dog ______ 用所給的單詞的復(fù)數(shù)的正確形式填空：1There are so many________(wolf)in the There are three ______(chair)in the These _______(tomato)are ______(hero)are My brother looks after two ______(baby)6There are some ______(deer)eating the My father likes to eat _______(potato).8Chinese ______(people)like to eat I have a lot of ______(toy)in my I help my mother wash ______(dish)in the I have two ______(pencilbox).12There are some ______(bus)in the Peter has eight _____(foot).14Linda has three _______(tooth).15There are some ______(child)in the Michael likes the ______(mouse).17There are some ______(goose)in the My uncle and father are _____(man).19Tom and King are _____(boy).20Linda has three ______(tooth).選出正確形式1．I can see three ________ in the monkeysB monkeysC monkey pig has four two brothers are both are four ___________ in the can see ten _____ in the _____ has , watches, watch, watches an you see _______on the plate? girl often brushes her_____ before she goes to Black often drink some are some _____ on the will learn will show us some new ____ of drank two of orange of orange of oranges cat eats two ______ last need a pen and some 16 Jim was late for two classes this said that he forgot both of the number number ’s number numbers newlybuilt library is a ______ storeys’s storeys’ umbrella is it?It’s else’s else ’s else’s’s else feel terribly hot, What’s the _____? of room’s temperature temperature of room’s will make a trip around the world during the ing Evens Evens’ Evenses Evenses’ girl talking to Mary is a friend of ’s sister sister’s ’s sister’s of Mary’s woman over there is ______ and Shelley’s ’s and Shelley’s and Shelley’s and Shelley is very needs night rest rest night night’s rest rest of night24．Excuse me，where are _______ offices?Over there． A． teacher’s B． teachers’ C． the teacher’s D． the teachers’25． Today is September ’s_____ ’s go and buy some flowers for our ’ Teachers’ ’s