名词名词可以分为可数名词与不可数名词,其中可数名词具有单、复数的形式;而不可数名词没有复数形式
可数名词:规则变化:1.一般情况下,直接加-s,如: book-books,bag-bags,cat-cats,bed-beds 2.以 s
ch 结尾,加 -es,如: bus-buses, box-boxes,watch-watches, brush-brushes,glass-glasses, dress-dresses 3.以 “辅音字母 +y”结尾,变 y 为 i, 再加 -es,如: family-families (家庭),butterfly-butterflies (蝴蝶), lady-ladies ,strawberry-strawberries (草莓)★注意:“元音字母+y”结尾的,直接加-s,如: day-days, boy-boys 4.以“f或 fe ”结尾,变 f 或 fe 为 v, 再加 -es,如:knife-knives ,leaf-leaves(落叶),wolf-wolves(狼), shelf-shelves(架子), half-halves (一半), thief-thieves (小偷)注意: 特殊情况直接加s:gulf-gulfs (海湾) ,roof-roofs(屋顶) ,belief-beliefs (信仰) ,proof-proofs (证据) [此处知道即可,暂时不用记] 不规则变化:1. man-men,woman-women , policeman(男警察) -policemen, policewoman (女警察)-policewomen , mouse-mice,child (孩子) -children ,foot-feet , tooth-teeth(牙齿),ox-oxen(公牛)2. fish-fi