will underrun
Verbe irrégulier : underrun - underran- underrun

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'll underrun
you'll underrun
he'll underrun
we'll underrun
you'll underrun
they'll underrun 	I'll be underruning
you'll be underruning
he'll be underruning
we'll be underruning
you'll be underruning
they'll be underruning	I'll have underrun
you'll have underrun
he'll have underrun
we'll have underrun
you'll have underrun
they'll have underrun	I'll have been underruning
you'll have been underruning
he'll have been underruning
we'll have been underruning
you'll have been underruning
they'll have been underruning	

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

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

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