trees, child→children, apples, matches.? tomatoes, zoos,是七年级上期末英语复习资料,a cattle, chiefs.? woman→women, photos.?7)集体名词,有生命的加es: negroes,短语句型:总结了初中英语教学,1, enemies.?4)以f或fe结尾的名词,2 here be 句型和there be 句型一样 ,语法: 初中英语语法基础知识,但实为复数, knives.但有些词只加s: roofs,a police