人教版PEP山林小学英语六年级知识要点及习题总复习讲义名词复数规则1. 一般情况下,直接加-s,如: book-books,bag-bags,cat-cats,bed-beds 2.以s.x.sh.ch结尾,加-es,如: bus-buses,box-boxes,peach-peaches, watch-watches 3. 以“辅音字母+y”结尾,变y为i, 再加-es,如: family-families, strawberry-strawberries 4.以“f或fe”结尾,变f或fe为v, 再加-es,(但有一个特例:roofroofs)。 如: knife-knives leaf-leaves wife-wives thief-thieves wolf-wolves5.以“o”结尾的单词,如果有生命,加-es;如果没有生命,加-s。如:有生命:potato-potatoes tomato-tomatoes mango-mangoes(芒果)hero-heroes(英雄) N