would underrun
Verbe irrégulier : underrun - underran- underrun

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd underrun
you'd underrun
she'd underrun
we'd underrun
you'd underrun
they'd underrun 	I'd be underruning
you'd be underruning
she'd be underruning
we'd be underruning
you'd be underruning
they'd be underruning	I would've underrun
you would've underrun
she would've underrun
we would've underrun
you would've underrun
they would've underrun	I would've been underruning
you would've been underruning
she would've been underruning
we would've been underruning
you would've been underruning
they would've been underruning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I wouldn't underrun
you wouldn't underrun
she wouldn't underrun
we wouldn't underrun
you wouldn't underrun
they wouldn't underrun 	I wouldn't be underruning
you wouldn't be underruning
she wouldn't be underruning
we wouldn't be underruning
you wouldn't be underruning
they wouldn't be underruning	I wouldn't have underrun
you wouldn't have underrun
she wouldn't have underrun
we wouldn't have underrun
you wouldn't have underrun
they wouldn't have underrun	I wouldn't have been underruning
you wouldn't have been underruning
she wouldn't have been underruning
we wouldn't have been underruning
you wouldn't have been underruning
they wouldn't have been underruning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
would I underrun?
would you underrun?
would she underrun?
would we underrun?
would you underrun?
would they underrun? 	would I be underruning?
would you be underruning?
would she be underruning?
would we be underruning?
would you be underruning?
would they be underruning? 	would I have underrun?
would you have underrun?
would she 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 she have been underruning?
would we have been underruning?
would you have been underruning?
would they have been underruning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
wouldn't I underrun?
wouldn't you underrun?
wouldn't she underrun?
wouldn't we underrun?
wouldn't you underrun?
wouldn't they underrun? 	wouldn't I be underruning?
wouldn't you be underruning?
wouldn't she be underruning?
wouldn't we be underruning?
wouldn't you be underruning?
wouldn't they be underruning? 	wouldn't I have underrun?
wouldn't you have underrun?
wouldn't she have underrun?
wouldn't we have underrun?
wouldn't you have underrun?
wouldn't they have underrun? 	wouldn't I have been underruning?
wouldn't you have been underruning?
wouldn't she have been underruning?
wouldn't we have been underruning?
wouldn't you have been underruning?
wouldn't they have been underruning?