ought to underprop
Verbe régulier : underprop - underproped- underproped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to underprop
you ought to underprop
she ought to underprop
we ought to underprop
you ought to underprop
they ought to underprop 	I ought to be underproping
you ought to be underproping
she ought to be underproping
we ought to be underproping
you ought to be underproping
they ought to be underproping	I ought to have underproped
you ought to have underproped
she ought to have underproped
we ought to have underproped
you ought to have underproped
they ought to have underproped	I ought to have been underproping
you ought to have been underproping
she ought to have been underproping
we ought to have been underproping
you ought to have been underproping
they ought to have been underproping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought not to underprop
you ought not to underprop
she ought not to underprop
we ought not to underprop
you ought not to underprop
they ought not to underprop 	I ought not to underproping
you ought not to underproping
she ought not to underproping
we ought not to underproping
you ought not to underproping
they ought not to underproping	I ought not to have underproped
you ought not to have underproped
she ought not to have underproped
we ought not to have underproped
you ought not to have underproped
they ought not to have underproped	I ought not to have been underproping
you ought not to have been underproping
she ought not to have been underproping
we ought not to have been underproping
you ought not to have been underproping
they ought not to have been underproping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I underprop?
ought to you underprop?
ought to she underprop?
ought to we underprop?
ought to you underprop?
ought to they underprop? 	ought to I be underproping?
ought to you be underproping?
ought to she be underproping?
ought to we be underproping?
ought to you be underproping?
ought to they be underproping? 	ought to I have underproped?
ought to you have underproped?
ought to she have underproped?
ought to we have underproped?
ought to you have underproped?
ought to they have underproped? 	ought to I have been underproping?
ought to you have been underproping?
ought to she have been underproping?
ought to we have been underproping?
ought to you have been underproping?
ought to they have been underproping? 	

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