英语中不定式的完成式的有关问题.I am sorry to have keep you wait.I am sorry

英语中不定式的完成式的有关问题.I am sorry to have keep you wait.I am sorry to keep you wait.
I am sorry to have keep you wait（for so long time.）.我很抱歉让你等了这么久
I am sorry to keep you wait.我很抱歉请你等一下.
不定式的完成式表示动作发生在谓语之前.按照上面的这种逻辑的话,那
"我听到那个很遗憾"这一句为什么一般翻译成:I am sorry to hear that.而不是翻译成:
I am sorry to have hear that.