问题描述: to be done 和 done 做定语时的区别 1个回答 分类:英语 2014-12-09 问题解答: 我来补答 过去分词作定语时态上表完成,不定式作定语时态上表将来.试举例:The meeting to be held tomorrow is very important.The meeting held yesterday was very important. 展开全文阅读