should underrun
Verbe irrégulier : underrun - underran- underrun

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

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

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

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