ought to underprop
Regular verb: underprop - underproped- underproped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to underprop
you oughtn't to underprop
she oughtn't to underprop
we oughtn't to underprop
you oughtn't to underprop
they oughtn't to underprop 	I oughtn't to be underproping
you oughtn't to be underproping
she oughtn't to be underproping
we oughtn't to be underproping
you oughtn't to be underproping
they oughtn't to be underproping	I oughtn't to have underproped
you oughtn't to have underproped
she oughtn't to have underproped
we oughtn't to have underproped
you oughtn't to have underproped
they oughtn't to have underproped	I oughtn't to have been underproping
you oughtn't to have been underproping
she oughtn't to have been underproping
we oughtn't to have been underproping
you oughtn't to have been underproping
they oughtn't to have been underproping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to underprop?
oughtn't you to underprop?
oughtn't she to underprop?
oughtn't we to underprop?
oughtn't you to underprop?
oughtn't they to underprop? 	oughtn't I to be underproping?
oughtn't you to be underproping?
oughtn't she to be underproping?
oughtn't we to be underproping?
oughtn't you to be underproping?
oughtn't they to be underproping? 	oughtn't I to have underproped?
oughtn't you to have underproped?
oughtn't she to have underproped?
oughtn't we to have underproped?
oughtn't you to have underproped?
oughtn't they to have underproped? 	oughtn't I to have been underproping?
oughtn't you to have been underproping?
oughtn't she to have been underproping?
oughtn't we to have been underproping?
oughtn't you to have been underproping?
oughtn't they to have been underproping?