I would stack you would stack she would stack we would stack you would stack they would stack
V-ing form
I would be stacking you would be stacking she would be stacking we would be stacking you would be stacking they would be stacking
Perfect
I would have stacked you would have stacked she would have stacked we would have stacked you would have stacked they would have stacked
V-ing perfect
I would have been stacking you would have been stacking she would have been stacking we would have been stacking you would have been stacking they would have been stacking
Negation
Simple form
I would not stack you would not stack she would not stack we would not stack you would not stack they would not stack
V-ing form
I would not be stacking you would not be stacking she would not be stacking we would not be stacking you would not be stacking they would not be stacking
Perfect
I would not have stacked you would not have stacked she would not have stacked we would not have stacked you would not have stacked they would not have stacked
V-ing perfect
I would not have been stacking you would not have been stacking she would not have been stacking we would not have been stacking you would not have been stacking they would not have been stacking
Interrogative form
Simple form
would I stack? would you stack? would she stack? would we stack? would you stack? would they stack?
V-ing form
would I be stacking? would you be stacking? would she be stacking? would we be stacking? would you be stacking? would they be stacking?
Perfect
would I have stacked? would you have stacked? would she have stacked? would we have stacked? would you have stacked? would they have stacked?
V-ing perfect
would I have been stacking? would you have been stacking? would she have been stacking? would we have been stacking? would you have been stacking? would they have been stacking?
Interro-negative form
Simple form
would I not stack? would you not stack? would she not stack? would we not stack? would you not stack? would they not stack?
V-ing form
would I not be stacking? would you not be stacking? would she not be stacking? would we not be stacking? would you not be stacking? would they not be stacking?
Perfect
would I not have stacked? would you not have stacked? would she not have stacked? would we not have stacked? would you not have stacked? would they not have stacked?
V-ing perfect
would I not have been stacking? would you not have been stacking? would she not have been stacking? would we not have been stacking? would you not have been stacking? would they not have been stacking?