常规变化一：辅音+y结尾的单词，比如baby, lady, ferry, party, 把y改成i，然后加es，变成：babies，ladies, ferries, parties元音+y，直接加s，比如boys, days, guys, donkeys特别注意：如果这个名词是人
cried the hen from the yard .She was walking about with three pretty chickens，and trying to find some food for them.
；roof-roofs ; chief-chefs ；serf-selfs ; belief-beliefs ；handkerchief-handkerchiefs 3）名词看似简单，涉及知识点也很多，今天就讲到这里啦，下节我们继续哦～加油！
