英语五年级上册英语语法之名词复数的规则变化
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英语五年级上册英语语法之名词复数的规则变化 一.名词复数的规则变化 情况 一般情况 以s,sh,ch,x 等结尾 以ce,se,ze 等结尾 以辅音字母+y 结尾 二.其他复数的规则变化 读音 例词 加s 清辅音后读/s/ map-maps 浊辅音后和元音后读/z/ car-cars 加es 读/iz/ box-boxes class-classes 加s 读/iz/ license-licenses 变y 为i 再加es 读/iz/ baby-babies 构成方法 1) 以y结尾的专有名词或元音字母+y 结尾的名词变复数时,直接加s变复数。例如: the Henrys’ monkey---monkeys 2) 以o 结尾的名词,变复数时: a. 加s,如: photo---photos piano---pianos b. 加es,如:potato--potatoes tomato--tomatoes c. 上述a和b两种方法均可,如zero---zeros / zeroes. 3) 以f或fe 结尾的名词变复数时: a. 加s,如: belief---beliefs roof---roofs b. 去掉f,fe 加ves,如:half---halves knife---knives c. 上述a和b两种方法均可,如handkerchief: handkerchiefs / handkerchieves. 三.名词复数的不规则变化 1)child---children foot---feet tooth---teeth注意::由一个词加 man 或 woman构成的合成词,其复数形式也是 -men 和-women,如an Englishman,two Englishmen.但German不是合成词,故复数形式为Germans;Bowman是姓,其复数是the Bowmans. 2)单复同形,如deer,sheep,fish,Chinese,Japanese ,li,jin,yuan,two li,three mu,four jin等。但除人民币的元、角、分外,美元、英镑、法郎等都有复数形式。如:a dollar, two dollars; a meter, two meters。 3)集体名词,以单数形式出现,但实为复数。例如:people police cattle 等本身就是复数,不能说 a people,a police,a cattle,但可以说a person,a policeman,a head of cattle, the English,the British,the French,the Chinese,the Japanese,the Swiss 等名词,表示国民总称时,作复数用。 4) 以s结尾,仍为单数的名词,如:a. maths,politics,physics等学科名词,一般是不可数名词,为单数。b. news 为不可数名词。c. the United States,the United Nations 应视为单数。d. 以复数形式出现的书名,剧名,报纸,杂志名,也可视为单数。 5) 表示由两部分构成的东西,如:glasses trousers,clothes等,若表达具体数目,要借助数量词 pair;suit; a pair of glasses; two pairs of trousers等。 6) 另外还有一些名词,其复数形式有时可表示特别意思,如:goods货物,waters水域,fishes(各种)鱼. 四.不可数名词对量的表示 1)物质名词 a. 当物质名词转化为个体名词时为可数。 比较:Cake is a kind of food. 蛋糕是一种食物。 (不可数) These cakes are sweet. 这些蛋糕很好吃。 (可数) b. 当物质名词表示该物质的种类时,可数。例如: This factory produces steel. (不可数) We need various steels. (可数) c. 当物质名词表示份数时,可数。例如: Our country is famous for tea. 我国因茶叶而闻名。 Two teas, please. 请来两杯茶。 2) 抽象名词表示具体的事例时也可数。例如: four freedoms 四大自由 the four modernizations四个现代化 物质名词和抽象名词可以借助单位词表一定的数量,如a glass of water 一杯水/ a piece of advice 一则建议。 练习题 1.Would you give me________, please? A.two papers B.two piece of paper C.two pieces of paper D.two pieces of papers 2.There are three_____and seven____in the picture. A.monkeys,sheeps B.monkeys,sheep C.monkies,sheep D.monkies,sheeps 3.A lot of____are talking with two_______. A.Germans,FrenchmansD.Germans,Frenchmen 4.__________people went out to see what had happened. A. Thousands of B.Three thousand of C.Thousand of D.Three thousands 5.We have been in the school for______. A.three and a half month B.three and a half months C.three month and a half D.three month and halves 6._____English is_____useful language. A. A, an B. /, a C. The, an D. A , / 7.All the ______ in the hospital got a rise last month. A. women doctors B. women doctor C. woman doctors D. woman doctor 8.______ travels faster when the zip code is indicated on the envelope. A. A little mail B. A piece of mail C. A mail D. A small mail 9. He told me _____ would come to his birthday party. A. many Jack friends B. Jack’s many friends C. many Jack’s friend D. many friends of Jack’s 10.Our teacher gave me ______. A. an advice B. the advice C. some advice D. much advice 答案:1.C 2.B 3.D 4.A 5. B 6.B 7.A 8.B 9.D 10.C B.Germen,Frenchmans C.German, Frenchmen 本文来源:https://www.wddqw.com/doc/6fe056e028ea81c758f5789f.html