名词单数变复数
1. lamps, cakes, months 2. animals, flags, planes; bananas, brothers, eyes, knees, radios
3. aunts, dates; cards, friends 4. boxes, glasses, oranges 5. leaf -leaves, wife - wives
第1组中的s都发/s/,第2组发/z/,第3组/ts/或/dz/,第4组/Iz/,第5组/vz/。
1.以清辅音结尾的单数可数名词变复数名词后,词尾所加的-s读/s/;