ought to unburden
Regular verb: unburden - unburdened- unburdened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to unburden
you ought to unburden
he ought to unburden
we ought to unburden
you ought to unburden
they ought to unburden 	I ought to be unburdening
you ought to be unburdening
he ought to be unburdening
we ought to be unburdening
you ought to be unburdening
they ought to be unburdening	I ought to have unburdened
you ought to have unburdened
he ought to have unburdened
we ought to have unburdened
you ought to have unburdened
they ought to have unburdened	I ought to have been unburdening
you ought to have been unburdening
he ought to have been unburdening
we ought to have been unburdening
you ought to have been unburdening
they ought to have been unburdening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to unburden
you oughtn't to unburden
he oughtn't to unburden
we oughtn't to unburden
you oughtn't to unburden
they oughtn't to unburden 	I oughtn't to be unburdening
you oughtn't to be unburdening
he oughtn't to be unburdening
we oughtn't to be unburdening
you oughtn't to be unburdening
they oughtn't to be unburdening	I oughtn't to have unburdened
you oughtn't to have unburdened
he oughtn't to have unburdened
we oughtn't to have unburdened
you oughtn't to have unburdened
they oughtn't to have unburdened	I oughtn't to have been unburdening
you oughtn't to have been unburdening
he oughtn't to have been unburdening
we oughtn't to have been unburdening
you oughtn't to have been unburdening
they oughtn't to have been unburdening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I unburden?
ought to you unburden?
ought to he unburden?
ought to we unburden?
ought to you unburden?
ought to they unburden? 	ought to I be unburdening?
ought to you be unburdening?
ought to he be unburdening?
ought to we be unburdening?
ought to you be unburdening?
ought to they be unburdening? 	ought to I have unburdened?
ought to you have unburdened?
ought to he have unburdened?
ought to we have unburdened?
ought to you have unburdened?
ought to they have unburdened? 	ought to I have been unburdening?
ought to you have been unburdening?
ought to he have been unburdening?
ought to we have been unburdening?
ought to you have been unburdening?
ought to they have been unburdening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to unburden?
oughtn't you to unburden?
oughtn't he to unburden?
oughtn't we to unburden?
oughtn't you to unburden?
oughtn't they to unburden? 	oughtn't I to be unburdening?
oughtn't you to be unburdening?
oughtn't he to be unburdening?
oughtn't we to be unburdening?
oughtn't you to be unburdening?
oughtn't they to be unburdening? 	oughtn't I to have unburdened?
oughtn't you to have unburdened?
oughtn't he to have unburdened?
oughtn't we to have unburdened?
oughtn't you to have unburdened?
oughtn't they to have unburdened? 	oughtn't I to have been unburdening?
oughtn't you to have been unburdening?
oughtn't he to have been unburdening?
oughtn't we to have been unburdening?
oughtn't you to have been unburdening?
oughtn't they to have been unburdening?