第1讲 名词 Mr Smith is very busy because he runs several companies①.He works seven days① a week and 12 months② a year.In his spare time he likes watching football matches③.He likes eating tomatoes④ but he doesn’t eat vegetables with leaves⑤.He has two pet horses⑥ and he often rides them with his friends on Mr Black’s farm⑦ because he thinks the scenery of the farm⑧ is very beautiful.Mr Black is a friend of his⑨,who raises some cows⑥ and goats⑥. [规则感悟] 1.可数名词变复数 ①以辅音字母加y结尾的名词,变y为i加-es;以元音字母加y结尾的名词,加-s。②以-th结尾的名词加-s。③以-s,-x,-ch,-sh结尾的名词后加-es(如果词尾-ch发音为/k/,要加-s,如stomach)。④以-o结尾加-es 的单词有:英雄(heroes)吃土豆(potatoes)番茄(tomatoes),其他多直接加-s。⑤以-f或-fe结尾的词,多变f或fe为v,再加-es。但也有直接加-s的单词,如:屋顶(roof)上的首领(chief)有信仰(belief)。⑥大部分可数名词直接加-s。 2.名词的所有格 ⑦有生命名词,不以-s结尾的名词加-’s;以-s结尾的单数名词和复数名词都加-’。⑧无生命名词,通常用of所有格表示。⑨双重所有格的构成形式为“名词+of+名词所有格”或者“名词+of+名词性物主代词”。 1.不规则变化的名词复数 (1)通过内部元音变化构成复数。如: foot—feet脚 goose—geese鹅 tooth—teeth牙齿 mouse—mice老鼠 man—men男人 woman—women女人 (2)有些名词的单复数形式相同。如: sheep—sheep绵羊 deer—deer鹿 Chinese—Chinese中国人 Japanese—Japanese日本人 means—means方法 series—series系列 species—species物种 crossroads—crossroads 十字路口 spacecraft—spacecraft航天器 (3)有的名词在词尾加-ren或-en构成复数。如: child—children 孩子 ox—oxen 公牛 (4)由man,woman构成的复合名词在变成复数时,与man,woman的变化形式相同。如: gentleman—gentlemen绅士 Englishman—Englishmen英国男子 policeman—policemen男警察 chairwoman—chairwomen女主席 businessman—businessmen商人 craftsman—crafts