I would like to have done something

I would like to have done something =  I now regret not doing something or being able to do something. 

      현재                 과거               = 지금에 와서, 과거에 하지않았던 것 or 할 수없었던 것에 대한 유감 표현. 

예문

I would like to have seen him when we were in New york

I would like to have gone to Mont St-Michel while I was in France 

I would like to have had more time with my family when i was young

I would like to have got it 

I would like to have met her when she stayed at Seoul