하던... 했던... 하던데요...
What is the difference?

하던데요
하던 (I realize it is for the past?)
But also
했던

Please help ^^

Question

하던... 했던... 하던데요...
What is the difference?

하던데요 
하던 (I realize it is for the past?) 
But also 
했던

Please help ^^

Answer

하던데요. = 하고 있던 데요. (it's past continue) = was doing. 
했던 (it's past perfect) . = have done

Answer

하던데요. = 하고 있던 데요.  (it's past continue)
= was doing. 
했던 (it's past perfect) . 
= have done