复合名词的复数1)将后一部分变成复数Englishman---Englishmen gentleman---gentlemenpolicewoman---policewomen grown-up---grown-ups2)将主要成分变成复数looker-on---lookers-on son-in-law---sons-in-law3)如果前一词是man, woman, 将两部分都变成复数men doctors women singers练习: roof___ woman driver...