名词单数变复数剑阁县普广小学校 李思君a pen.three pens.a bookfour books1:一般情况下,直接在词尾加-s构成复数形式two watchesa watch a box some boxesa busfour busesa fish two fishes2:以s, x, ch, sh等结尾的名词,在词尾加-es构成复数形式。a baby four babiesa boy three boys3:以辅音字母+y 结尾的名词, 先改 y为i , 再加 es.:以元音字母+y 结尾的名词,直接加 sa potato some potatoes a tomato tomatoes4.以 o结尾的名词变复数时有生命的加es 无生命的加sphoto-photos zoo-zoos无生命的加s有生命的加esa knife five knivesa leaf some leaves5: 以f或fe结尾的名词,先将f或fe变成v,再加-es. man, woman men, womenpoliceman-policemen(男人,妇女)以man结尾的,变复数时变成men67.特殊单词child-children tooth-teeth foot -feet sheep-sheep people-people Get it?Lets try!快速说出下列单词的复数形式。