having done ,和 doingHaving failed many times,he didn't lost heart.改成 Failing many times ,he didn't lost heart.行不行?行的话 说说意思变成什么了?
问题描述：
having done ,和 doing
Having failed many times,he didn't lost heart.
改成
Failing many times ,he didn't lost heart.行不行?行的话 说说意思变成什么了?
答
后面有many times 要用完成时态 表示已经失败了许多次
如果没有many times 可以只用分词
Failing the english test,he didn't lose heart
ing 分词只是表示 动作和主句主语是主动关系,是否用完成时态要看ing结构的时间状语