Warning, this verb may not exist. Conjugation is given as example.
Indicative
Present
I stain sth you stain sth he stain sths we stain sth you stain sth they stain sth
Present continuous
I am stain sthing you are stain sthing he is stain sthing we are stain sthing you are stain sthing they are stain sthing
Preterite
I stain sthed you stain sthed he stain sthed we stain sthed you stain sthed they stain sthed
Preterite continuous
I was stain sthing you were stain sthing he was stain sthing we were stain sthing you were stain sthing they were stain sthing
Present perfect
I have stain sthed you have stain sthed he has stain sthed we have stain sthed you have stain sthed they have stain sthed
Present perfect continuous
I have been stain sthing you have been stain sthing he has been stain sthing we have been stain sthing you have been stain sthing they have been stain sthing
Pluperfect
I had stain sthed you had stain sthed he had stain sthed we had stain sthed you had stain sthed they had stain sthed
Pluperfect continuous
I had been stain sthing you had been stain sthing he had been stain sthing we had been stain sthing you had been stain sthing they had been stain sthing
Future
I will stain sth you will stain sth he will stain sth we will stain sth you will stain sth they will stain sth
Future continuous
I will be stain sthing you will be stain sthing he will be stain sthing we will be stain sthing you will be stain sthing they will be stain sthing
Future perfect
I will have stain sthed you will have stain sthed he will have stain sthed we will have stain sthed you will have stain sthed they will have stain sthed
Future perfect continuous
I will have been stain sthing you will have been stain sthing he will have been stain sthing we will have been stain sthing you will have been stain sthing they will have been stain sthing
Conditional
Present
I would stain sth you would stain sth he would stain sth we would stain sth you would stain sth they would stain sth
Present continuous
I would be stain sthing you would be stain sthing he would be stain sthing we would be stain sthing you would be stain sthing they would be stain sthing
Past
I would have stain sthed you would have stain sthed he would have stain sthed we would have stain sthed you would have stain sthed they would have stain sthed
Past continuous
I would have been stain sthing you would have been stain sthing he would have been stain sthing we would have been stain sthing you would have been stain sthing they would have been stain sthing