ought to underrun
Verbe irrégulier : underrun - underran- underrun

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to underrun
you ought to underrun
she ought to underrun
we ought to underrun
you ought to underrun
they ought to underrun 	I ought to be underruning
you ought to be underruning
she ought to be underruning
we ought to be underruning
you ought to be underruning
they ought to be underruning	I ought to have underrun
you ought to have underrun
she ought to have underrun
we ought to have underrun
you ought to have underrun
they ought to have underrun	I ought to have been underruning
you ought to have been underruning
she ought to have been underruning
we ought to have been underruning
you ought to have been underruning
they ought to have been underruning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to underrun
you ought not to underrun
she ought not to underrun
we ought not to underrun
you ought not to underrun
they ought not to underrun 	I ought not to underruning
you ought not to underruning
she ought not to underruning
we ought not to underruning
you ought not to underruning
they ought not to underruning	I ought not to have underrun
you ought not to have underrun
she ought not to have underrun
we ought not to have underrun
you ought not to have underrun
they ought not to have underrun	I ought not to have been underruning
you ought not to have been underruning
she ought not to have been underruning
we ought not to have been underruning
you ought not to have been underruning
they ought not to have been underruning	

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought I not to underrun?
ought you not to underrun?
ought she not to underrun?
ought we not to underrun?
ought you not to underrun?
ought they not to underrun? 	ought I not to be underruning?
ought you not to be underruning?
ought she not to be underruning?
ought we not to be underruning?
ought you not to be underruning?
ought they not to be underruning? 	ought I not to have underrun?
ought you not to have underrun?
ought she not to have underrun?
ought we not to have underrun?
ought you not to have underrun?
ought they not to have underrun? 	ought I not to have been underruning?
ought you not to have been underruning?
ought she not to have been underruning?
ought we not to have been underruning?
ought you not to have been underruning?
ought they not to have been underruning?