English verb conjugation
WOULD UNDERRUN

Irregular verb: underrun - underran - underrun

Affirmation

Simple form	V-ing form
I would underrun you would underrun he would underrun we would underrun you would underrun they would underrun	I would be underruning you would be underruning he would be underruning we would be underruning you would be underruning they would be underruning
Perfect	V-ing perfect
I would have underrun you would have underrun he would have underrun we would have underrun you would have underrun they would have underrun	I would have been underruning you would have been underruning he would have been underruning we would have been underruning you would have been underruning they would have been underruning

Negation

Simple form	V-ing form
I would not underrun you would not underrun he would not underrun we would not underrun you would not underrun they would not underrun	I would not be underruning you would not be underruning he would not be underruning we would not be underruning you would not be underruning they would not be underruning
Perfect	V-ing perfect
I would not have underrun you would not have underrun he would not have underrun we would not have underrun you would not have underrun they would not have underrun	I would not have been underruning you would not have been underruning he would not have been underruning we would not have been underruning you would not have been underruning they would not have been underruning

Interrogative form

Simple form	V-ing form
would I underrun? would you underrun? would he underrun? would we underrun? would you underrun? would they underrun?	would I be underruning? would you be underruning? would he be underruning? would we be underruning? would you be underruning? would they be underruning?
Perfect	V-ing perfect
would I have underrun? would you have underrun? would he have underrun? would we have underrun? would you have underrun? would they have underrun?	would I have been underruning? would you have been underruning? would he have been underruning? would we have been underruning? would you have been underruning? would they have been underruning?

Interro-negative form

Simple form	V-ing form
would I not underrun? would you not underrun? would he not underrun? would we not underrun? would you not underrun? would they not underrun?	would I not be underruning? would you not be underruning? would he not be underruning? would we not be underruning? would you not be underruning? would they not be underruning?
Perfect	V-ing perfect
would I not have underrun? would you not have underrun? would he not have underrun? would we not have underrun? would you not have underrun? would they not have underrun?	would I not have been underruning? would you not have been underruning? would he not have been underruning? would we not have been underruning? would you not have been underruning? would they not have been underruning?