七年级上册英语重点难点辅导 【导语】下面是我为您整理的七年级上册英语重点难点辅导,仅供大家查阅。一、可数名词变复数可数名词变复数时,有规则变化和不规则变化两种。1、规则变化:(1)一般情况直接在词尾加-s ,如:cake-cakes, bag-bags, day-days, face-faces, orange-oranges等;(2)以s, x, sh, ch结尾的词,要在词尾加-es ,如:bus-buses, watch-watches, box-boxes等;(3)以辅音字母加y结尾的词,变y为i再加-es ,如:baby-babies, country-countries, family-families等;(4)部分以f (e)结尾的词,变f (e)为ves ,如:knife-knives, half-halves等;(5)以o结尾的词,加-s 或-es ,如:zoo-zoos, photo-photos, tomato-tomatoes, potato-potatoes等。记忆