dreamydream
这个一定要用现在完成进行式：I have been waiting for her for a long time.又如：Mike (standing outside a cinema): Where on earth have you been? I've been waiting for ages! Jenny: I’m so sorry, Mike. I completely forgot!
幽香雨草
I have been waiting for her since a long time a ago.我自从很久以前就开始等她。I have been waiting for her for a long time.我已经等她很长时间了。I'm waiting for her even it takes a long time.即使这花了很长时间我也在等她。
