英语语法要点及习题 英语语法要点及习题一、名词复数规则 1一般情况下,直接加-s , 如:book-books, bag-bags, cat-cats, bed-beds 2以s. x. sh. ch结尾,加-es, 如:bus-buses, box-boxes, brush-brushes, 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 , 如:knife-knives 但有些词 只加s: roofs, proof s, chiefs. 5. 以o结尾的名词,有些加es: Negroes, heroes, tomatoes, potatoes; 其它加s: radios, zoos, pianos, photos; zero加s,es均可。 6不规则名词复数: policeman-policemen, man-men, policewoman-policewomen, foot-feet, mouse-mice w