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