Warning, this verb may not exist. Conjugation is given as example.
Indicative
Present
I don't stain sth you don't stain sth he doesn't stain sth we don't stain sth you don't stain sth they don't stain sth
Present continuous
I'm not stain sthing you aren't stain sthing he isn't stain sthing we aren't stain sthing you aren't stain sthing they aren't stain sthing
Preterite
I didn't stain sth you didn't stain sth he didn't stain sth we didn't stain sth you didn't stain sth they didn't stain sth
Preterite continuous
I wasn't stain sthing you weren't stain sthing he wasn't stain sthing we weren't stain sthing you weren't stain sthing they weren't stain sthing
Present perfect
I haven't stain sthed you haven't stain sthed he hasn't stain sthed we haven't stain sthed you haven't stain sthed they haven't stain sthed
Present perfect continuous
I haven't been stain sthing you haven't been stain sthing he hasn't been stain sthing we haven't been stain sthing you haven't been stain sthing they haven't been stain sthing
Pluperfect
I hadn't stain sthed you hadn't stain sthed he hadn't stain sthed we hadn't stain sthed you hadn't stain sthed they hadn't stain sthed
Pluperfect continuous
I hadn't been stain sthing you hadn't been stain sthing he hadn't been stain sthing we hadn't been stain sthing you hadn't been stain sthing they hadn't been stain sthing
Future
I won't stain sth you won't stain sth he won't stain sth we won't stain sth you won't stain sth they won't stain sth
Future continuous
I won't be stain sthing you won't be stain sthing he won't be stain sthing we won't be stain sthing you won't be stain sthing they won't be stain sthing
Future perfect
I won't have stain sthed you won't have stain sthed he won't have stain sthed we won't have stain sthed you won't have stain sthed they won't have stain sthed
Future perfect continuous
I won't have been stain sthing you won't have been stain sthing he won't have been stain sthing we won't have been stain sthing you won't have been stain sthing they won't have been stain sthing
Conditional
Present
I wouldn't stain sth you wouldn't stain sth he wouldn't stain sth we wouldn't stain sth you wouldn't stain sth they wouldn't stain sth
Present continuous
I wouldn't be stain sthing you wouldn't be stain sthing he wouldn't be stain sthing we wouldn't be stain sthing you wouldn't be stain sthing they wouldn't be stain sthing
Past
I wouldn't have stain sthed you wouldn't have stain sthed he wouldn't have stain sthed we wouldn't have stain sthed you wouldn't have stain sthed they wouldn't have stain sthed
Past continuous
I wouldn't have been stain sthing you wouldn't have been stain sthing he wouldn't have been stain sthing we wouldn't have been stain sthing you wouldn't have been stain sthing they wouldn't have been stain sthing
Imperative
Imperative
do not stain sth Let's not stain sth do not stain sth