【简明语法】1.2 其它名词复数的规则变化(在线收听

 

1) y结尾的专有名词,或元音字母+y 结尾的名词变复数时,直接加s变复数: 
  如: two Marys     the Henrys
     monkey---monkeys holiday---holidays  
 比较: 层楼:storey ---storeys  story---stories

2)
o 结尾的名词,变复数时:
  a. s,如: photo---photos  piano---pianos
         radio---radios  zoo---zoos
  b. es,如:potato--potatoes tomato--tomatoes
  c. 均可,如:zero---zeros / zeroes 

3)
ffe 结尾的名词变复数时:
  a. s,如: belief---beliefs roof---roofs
         safe---safes  gulf---gulfs
  b. f,fe ves,如:half---halves  
   knife---knives leaf---leaves wolf---wolves
   wife---wives life---lives thief---thieves
  c. 均可,如: handkerchief:
        handkerchiefs / handkerchieves

  原文地址:http://www.tingroom.com/listen/vocabulary/6323.html