根据要求写出下列单词的不同形式:
(1)woman (复数)________
(2)box (复数)________
(3)break (过去式)________
(4)eat (过去式)________
(6)fall(过去式)________
(5)run (过去式)________
(7)buy(过去式)________
(8)learn (过去式)_______
(9)difficult(反义词)________
(10)right (同音词)________