小学三年级,四年级,五年级分别应该教授哪些英语语法知识?求有经验的老...答:PEP小学英语语法精讲要点及习题班级:___ 姓名:___一、名词复数规则1.一般情况下,直接加-s, 如:book-books, bag-bags, cat-cats, bed-beds2.以s. x. sh. ch结尾,加-es,如:bus-buses, box-boxes, brush-brushes, watch-watches3.以“辅音字母+y”结尾,变y为i, 再加-es,如:family-families, ...