1.一般情況下，直接加-s，如：book-books， bag-bags， cat-cats， bed-beds
2.以s。 x。 sh。 ch結尾，加-es，如：bus-buses， box-boxes， brush-brushes， watch-watches
3.以“子音字母 y”結尾，變y為i， 再加-es，如：family-families， strawberry-strawberries
4.以“f或fe”結尾，變f或fe為v， 再加-es，如：knife-knives 〕
Leaf--leaves
man-men， woman-women， policeman-policemen， policewoman-policewomen，
child-children
foot-feet，。tooth-teeth
fish-fish， people-people， Chinese-Chinese， Japanese-Japanese
寫出下列各詞的複數
I _________him _________this ___________her ______
watch _______child _______photo ________diary ______
day________ foot________ book_______ dress ________
tooth_______ sheep ______box_______ strawberry _____
peach______ sandwich ______dish_______bus_______
man______ woman_______
