ought to prang
Regular verb: prang - pranged- pranged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to prang
you ought to prang
he ought to prang
we ought to prang
you ought to prang
they ought to prang 	I ought to be pranging
you ought to be pranging
he ought to be pranging
we ought to be pranging
you ought to be pranging
they ought to be pranging	I ought to have pranged
you ought to have pranged
he ought to have pranged
we ought to have pranged
you ought to have pranged
they ought to have pranged	I ought to have been pranging
you ought to have been pranging
he ought to have been pranging
we ought to have been pranging
you ought to have been pranging
they ought to have been pranging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to prang
you oughtn't to prang
he oughtn't to prang
we oughtn't to prang
you oughtn't to prang
they oughtn't to prang 	I oughtn't to be pranging
you oughtn't to be pranging
he oughtn't to be pranging
we oughtn't to be pranging
you oughtn't to be pranging
they oughtn't to be pranging	I oughtn't to have pranged
you oughtn't to have pranged
he oughtn't to have pranged
we oughtn't to have pranged
you oughtn't to have pranged
they oughtn't to have pranged	I oughtn't to have been pranging
you oughtn't to have been pranging
he oughtn't to have been pranging
we oughtn't to have been pranging
you oughtn't to have been pranging
they oughtn't to have been pranging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I prang?
ought to you prang?
ought to he prang?
ought to we prang?
ought to you prang?
ought to they prang? 	ought to I be pranging?
ought to you be pranging?
ought to he be pranging?
ought to we be pranging?
ought to you be pranging?
ought to they be pranging? 	ought to I have pranged?
ought to you have pranged?
ought to he have pranged?
ought to we have pranged?
ought to you have pranged?
ought to they have pranged? 	ought to I have been pranging?
ought to you have been pranging?
ought to he have been pranging?
ought to we have been pranging?
ought to you have been pranging?
ought to they have been pranging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to prang?
oughtn't you to prang?
oughtn't he to prang?
oughtn't we to prang?
oughtn't you to prang?
oughtn't they to prang? 	oughtn't I to be pranging?
oughtn't you to be pranging?
oughtn't he to be pranging?
oughtn't we to be pranging?
oughtn't you to be pranging?
oughtn't they to be pranging? 	oughtn't I to have pranged?
oughtn't you to have pranged?
oughtn't he to have pranged?
oughtn't we to have pranged?
oughtn't you to have pranged?
oughtn't they to have pranged? 	oughtn't I to have been pranging?
oughtn't you to have been pranging?
oughtn't he to have been pranging?
oughtn't we to have been pranging?
oughtn't you to have been pranging?
oughtn't they to have been pranging?