备战中考：人教版七年级上册英语语法(5)
II.名词的数：
1.规则名词的复数形式：
名词的复数形式，一般在单数形式后面加-s或-es。现将构成方法与读音规则列表如下：
规则例词
1一般情况在词尾加-smap-maps,sea-seas,girl-girls,day-days
2以s,x,ch,sh结尾的名词后加-esclass-classes,box-boxes,watch-watches,dish-dishes
3以-f或-fe结尾的词变-f和-fe为v再加-esleaf-leaves,thief-thieves,knife-knives,loaf-loaves,wife-wives
加-sbelief-beliefs,chief-chiefs,proof-proofs,roof-roofs,gulf-gulfs
4以辅音字母加y结尾的名词，变y为i加-esparty-parties,family-families,story-stories,city-cities
5以元音字母加y结尾的名词，或专有名词以y结尾的，加-stoy-toys,boy-boys,day-days,ray-rays,Henry-Henrys
6以辅音字母加-o结尾的名词一般加-eshero-heroes,Negro-Negroes,potato-potatoes,tomato-tomatoes
不少外来词加-spiano-pianos,photo-photos,auto-autos,kilo-kilos,solo-solos
两者皆可zero-zeros/zeroes,volcano-volcanoes/volcanos
7以元音字母加-o结尾的名词加-sradio-radios,bamboo-bamboos,zoo-zoos
8以-th结尾的名词加-struth-truths,mouth-mouths,month-months,path-paths,
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