English verb conjugation
MAY STAIN STH

Regular verb: stain sth - stain sthed - stain sthed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I may stain sth you may stain sth she may stain sth we may stain sth you may stain sth they may stain sth	I may be stain sthing you may be stain sthing she may be stain sthing we may be stain sthing you may be stain sthing they may be stain sthing
Perfect	V-ing perfect
I may have stain sthed you may have stain sthed she may have stain sthed we may have stain sthed you may have stain sthed they may have stain sthed	I may have been stain sthing you may have been stain sthing she may have been stain sthing we may have been stain sthing you may have been stain sthing they may have been stain sthing

Negation

Simple form	V-ing form
I mayn't stain sth you mayn't stain sth she mayn't stain sth we mayn't stain sth you mayn't stain sth they mayn't stain sth	I mayn't be stain sthing you mayn't be stain sthing she mayn't be stain sthing we mayn't be stain sthing you mayn't be stain sthing they mayn't be stain sthing
Perfect	V-ing perfect
I mayn't have stain sthed you mayn't have stain sthed she mayn't have stain sthed we mayn't have stain sthed you mayn't have stain sthed they mayn't have stain sthed	I mayn't have been stain sthing you mayn't have been stain sthing she mayn't have been stain sthing we mayn't have been stain sthing you mayn't have been stain sthing they mayn't have been stain sthing

Interrogative form

Simple form	V-ing form
may I stain sth? may you stain sth? may she stain sth? may we stain sth? may you stain sth? may they stain sth?	may I be stain sthing? may you be stain sthing? may she be stain sthing? may we be stain sthing? may you be stain sthing? may they be stain sthing?
Perfect	V-ing perfect
may I have stain sthed? may you have stain sthed? may she have stain sthed? may we have stain sthed? may you have stain sthed? may they have stain sthed?	may I have been stain sthing? may you have been stain sthing? may she have been stain sthing? may we have been stain sthing? may you have been stain sthing? may they have been stain sthing?

Interro-negative form

Simple form	V-ing form
mayn't I stain sth? mayn't you stain sth? mayn't she stain sth? mayn't we stain sth? mayn't you stain sth? mayn't they stain sth?	mayn't I be stain sthing? mayn't you be stain sthing? mayn't she be stain sthing? mayn't we be stain sthing? mayn't you be stain sthing? mayn't they be stain sthing?
Perfect	V-ing perfect
mayn't I have stain sthed? mayn't you have stain sthed? mayn't she have stain sthed? mayn't we have stain sthed? mayn't you have stain sthed? mayn't they have stain sthed?	mayn't I have been stain sthing? mayn't you have been stain sthing? mayn't she have been stain sthing? mayn't we have been stain sthing? mayn't you have been stain sthing? mayn't they have been stain sthing?