一到六年级英语公式答:d.以“f或fe”结尾,变f或fe为v, 再加-es,如:knife-knives e.不规则名词复数: man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-mice child-children foot-feet ,.tooth-teeth fish-fish, people-people, Chinese-Chinese, Japanese-Japanese 3、形容词(包括副词)形容词表示某一...