English verb conjugation
OUGHT TO BLISTER

Regular verb: blister - blistered - blistered

Affirmation

Simple form	V-ing form
I ought to blister you ought to blister he ought to blister we ought to blister you ought to blister they ought to blister	I ought to be blistering you ought to be blistering he ought to be blistering we ought to be blistering you ought to be blistering they ought to be blistering
Perfect	V-ing perfect
I ought to have blistered you ought to have blistered he ought to have blistered we ought to have blistered you ought to have blistered they ought to have blistered	I ought to have been blistering you ought to have been blistering he ought to have been blistering we ought to have been blistering you ought to have been blistering they ought to have been blistering

Negation

Simple form	V-ing form
I oughtn't to blister you oughtn't to blister he oughtn't to blister we oughtn't to blister you oughtn't to blister they oughtn't to blister	I oughtn't to be blistering you oughtn't to be blistering he oughtn't to be blistering we oughtn't to be blistering you oughtn't to be blistering they oughtn't to be blistering
Perfect	V-ing perfect
I oughtn't to have blistered you oughtn't to have blistered he oughtn't to have blistered we oughtn't to have blistered you oughtn't to have blistered they oughtn't to have blistered	I oughtn't to have been blistering you oughtn't to have been blistering he oughtn't to have been blistering we oughtn't to have been blistering you oughtn't to have been blistering they oughtn't to have been blistering

Interrogative form

Simple form	V-ing form
ought to I blister? ought to you blister? ought to he blister? ought to we blister? ought to you blister? ought to they blister?	ought to I be blistering? ought to you be blistering? ought to he be blistering? ought to we be blistering? ought to you be blistering? ought to they be blistering?
Perfect	V-ing perfect
ought to I have blistered? ought to you have blistered? ought to he have blistered? ought to we have blistered? ought to you have blistered? ought to they have blistered?	ought to I have been blistering? ought to you have been blistering? ought to he have been blistering? ought to we have been blistering? ought to you have been blistering? ought to they have been blistering?

Interro-negative form

Simple form	V-ing form
oughtn't I to blister? oughtn't you to blister? oughtn't he to blister? oughtn't we to blister? oughtn't you to blister? oughtn't they to blister?	oughtn't I to be blistering? oughtn't you to be blistering? oughtn't he to be blistering? oughtn't we to be blistering? oughtn't you to be blistering? oughtn't they to be blistering?
Perfect	V-ing perfect
oughtn't I to have blistered? oughtn't you to have blistered? oughtn't he to have blistered? oughtn't we to have blistered? oughtn't you to have blistered? oughtn't they to have blistered?	oughtn't I to have been blistering? oughtn't you to have been blistering? oughtn't he to have been blistering? oughtn't we to have been blistering? oughtn't you to have been blistering? oughtn't they to have been blistering?