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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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?