用 be accustomed to,后面可接名词或动词的ing形式(看例句),这里的accustomed是形容词,与动词过去式无关. We were accustomed to working together. Her eyes quickly became accustomed to the dark. 再问： 哥们那没有ed的话有这种用法吗（accustom to） 求两者异同或者例句? 再答： 如果单独使用动词accustom（意思是“使自己适应一个新环境'），那就必须要用其固定搭配，就是accustom yourself to something ，注意后面一般不接动词，例句： It took a while for me to accustom myself to all the new rules and regulations.