(一)名词概述 名词用来表示人或事物的名称。名词可分为专有名词和普通名词,普通名词又可分为可数名词和不可数名词,可数名词有单复数形式,不可数名词没有复数形式,也不能与不定冠词连用。在考试命题中,主要是考察可数、不可数名词的区分,以及量词修饰的使用。考试的题型主要是选择题和词性转换。另外,名词的所有格也是重要的考查部分,主要是区分s和of的用法。 (二)基础知识梳理 1. 名词复数形式的构成 1)规则变化 (1)一般名词后面加s。如:month-months,bird-birds。 (2)以s,ss,x,ch,sh结尾的名词,后面加es。如:bus-buses,boss-bosses,box-boxes,match-matches,brush-brushes。 (3)以o结尾的名词,有的加es,如:patato-patatoes,mango-mangoes,tomato-tomatoes;有的加s,如:radio-radios,zoo-zoos,piano-pianos。 (4)以辅音字母加y结尾的名词,变y为i再加es。如:factory-factories,city-cities。以元音字母加y结尾的名词,直接加s,如:toy-toys,day-days。 (5)以f或fe结尾的名词,变f或fe为v再加es。如:knife-knives,wolf-wolves(例外:roof-roofs,chief-chiefs),scarf-scarfs或scarves。 2)不规则变化 (1)改元音字母,构成复数。如:man-men,woman-women,foot-feet,fisherman-fishermen,tooth-teeth,mouse-mice(例外:German-Germans,walkman-walkmans,human-humans)。 (2)单复数形式一样。如:sheep-sheep,Chinese-Chinese,Japanese-Japanese,deer-deer,fish-fish。 (3)词尾变化。如:child-children。 (4)只有复数形式,无单数形式的名词。如;clothes,trousers,glasses,shoes。 (5)以man和woman构成的复合名词变复数时,要采用双复数形式。如:man tourist-men tourists,woman teacher-women teachers。 2. 名词的数量表达 可数名词:用数词直接修饰,如:one book,three watches,200 years;与量词连用,量词与所修饰名词都要用复数形式,如:three pairs of shoes,hundreds of years;与模糊数量词连用,如:a few relatives,some people,many boys,a lot of/lots of computers,a large number of students。 不可数名词:与量词连用,量词有复数形式,而不可数名词不能有复数形式。如:two loaves of bread,a bottle of water;与模糊量词连用,如:some work,a little milk,much advice/time/money,a lot of/lots of news,a large amount of information。 模糊数量词修饰可数名词,有如下几个:many,a few,few,a large number of。 模糊数量词修饰不可数名词,有如下几个:much,a little,little,huge amounts of,a great deal of。 模糊数量词既可以修饰可数名词又可以修饰不可数名词,有如下几个:some,any,a lot of,lots of,plenty of,enough。 3. 名词所有格 1)表示有生命的名词所有格 (1)单数名词加s,如:Peters bag。 (2)词尾有s或es的复数名词加,如:the teachers office。 (3)不以s或es结尾的复数名词后仍加s,如:Childrens Day。 (4)表示时间、距离,如:todays newspaper,two hours walk。 2)表示无生命的名词所有格,用of+名词所有格,如:the front gate of the City Hall,a map of China。 3)表示有生命的名词所有格,也可用of+名词所有格,如:a friend of mine,a book of janes,a friend of Marys sisters。 【注意】Peter and Marys desk 表示彼得和玛丽合用的桌子 Peters and Marys desks 表示彼得和玛丽各自的桌子
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