楼主:
hjlee (yokolee)
2017-09-19 00:11:26The director thanked and praised the employees for their _____ overtime
to finish the project in time.
空格内的答案为working，请问该如何解释此种用法?
是动名词吗?
还是名词子句?
还是只是单纯的动词字尾加上ing变成形容词修饰overtime?
直接写上答案很不难，但要变成文字解释有点不知道该怎么叙述
再麻烦大家提供意见了，谢谢！！