Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I ought to stain sth you ought to stain sth he ought to stain sth we ought to stain sth you ought to stain sth they ought to stain sth
V-ing form
I ought to be stain sthing you ought to be stain sthing he ought to be stain sthing we ought to be stain sthing you ought to be stain sthing they ought to be stain sthing
Perfect
I ought to have stain sthed you ought to have stain sthed he ought to have stain sthed we ought to have stain sthed you ought to have stain sthed they ought to have stain sthed
V-ing perfect
I ought to have been stain sthing you ought to have been stain sthing he ought to have been stain sthing we ought to have been stain sthing you ought to have been stain sthing they ought to have been stain sthing
Negation
Simple form
I oughtn't to stain sth you oughtn't to stain sth he oughtn't to stain sth we oughtn't to stain sth you oughtn't to stain sth they oughtn't to stain sth
V-ing form
I oughtn't to be stain sthing you oughtn't to be stain sthing he oughtn't to be stain sthing we oughtn't to be stain sthing you oughtn't to be stain sthing they oughtn't to be stain sthing
Perfect
I oughtn't to have stain sthed you oughtn't to have stain sthed he oughtn't to have stain sthed we oughtn't to have stain sthed you oughtn't to have stain sthed they oughtn't to have stain sthed
V-ing perfect
I oughtn't to have been stain sthing you oughtn't to have been stain sthing he oughtn't to have been stain sthing we oughtn't to have been stain sthing you oughtn't to have been stain sthing they oughtn't to have been stain sthing
Interrogative form
Simple form
ought to I stain sth? ought to you stain sth? ought to he stain sth? ought to we stain sth? ought to you stain sth? ought to they stain sth?
V-ing form
ought to I be stain sthing? ought to you be stain sthing? ought to he be stain sthing? ought to we be stain sthing? ought to you be stain sthing? ought to they be stain sthing?
Perfect
ought to I have stain sthed? ought to you have stain sthed? ought to he have stain sthed? ought to we have stain sthed? ought to you have stain sthed? ought to they have stain sthed?
V-ing perfect
ought to I have been stain sthing? ought to you have been stain sthing? ought to he have been stain sthing? ought to we have been stain sthing? ought to you have been stain sthing? ought to they have been stain sthing?
Interro-negative form
Simple form
oughtn't I to stain sth? oughtn't you to stain sth? oughtn't he to stain sth? oughtn't we to stain sth? oughtn't you to stain sth? oughtn't they to stain sth?
V-ing form
oughtn't I to be stain sthing? oughtn't you to be stain sthing? oughtn't he to be stain sthing? oughtn't we to be stain sthing? oughtn't you to be stain sthing? oughtn't they to be stain sthing?
Perfect
oughtn't I to have stain sthed? oughtn't you to have stain sthed? oughtn't he to have stain sthed? oughtn't we to have stain sthed? oughtn't you to have stain sthed? oughtn't they to have stain sthed?
V-ing perfect
oughtn't I to have been stain sthing? oughtn't you to have been stain sthing? oughtn't he to have been stain sthing? oughtn't we to have been stain sthing? oughtn't you to have been stain sthing? oughtn't they to have been stain sthing?