English verb conjugation
MAY CLEAN

Regular verb: clean - cleaned - cleaned

Affirmation

Simple form	V-ing form
I may clean you may clean she may clean we may clean you may clean they may clean	I may be cleaning you may be cleaning she may be cleaning we may be cleaning you may be cleaning they may be cleaning
Perfect	V-ing perfect
I may have cleaned you may have cleaned she may have cleaned we may have cleaned you may have cleaned they may have cleaned	I may have been cleaning you may have been cleaning she may have been cleaning we may have been cleaning you may have been cleaning they may have been cleaning

Negation

Simple form	V-ing form
I mayn't clean you mayn't clean she mayn't clean we mayn't clean you mayn't clean they mayn't clean	I mayn't be cleaning you mayn't be cleaning she mayn't be cleaning we mayn't be cleaning you mayn't be cleaning they mayn't be cleaning
Perfect	V-ing perfect
I mayn't have cleaned you mayn't have cleaned she mayn't have cleaned we mayn't have cleaned you mayn't have cleaned they mayn't have cleaned	I mayn't have been cleaning you mayn't have been cleaning she mayn't have been cleaning we mayn't have been cleaning you mayn't have been cleaning they mayn't have been cleaning

Interrogative form

Simple form	V-ing form
may I clean? may you clean? may she clean? may we clean? may you clean? may they clean?	may I be cleaning? may you be cleaning? may she be cleaning? may we be cleaning? may you be cleaning? may they be cleaning?
Perfect	V-ing perfect
may I have cleaned? may you have cleaned? may she have cleaned? may we have cleaned? may you have cleaned? may they have cleaned?	may I have been cleaning? may you have been cleaning? may she have been cleaning? may we have been cleaning? may you have been cleaning? may they have been cleaning?

Interro-negative form

Simple form	V-ing form
mayn't I clean? mayn't you clean? mayn't she clean? mayn't we clean? mayn't you clean? mayn't they clean?	mayn't I be cleaning? mayn't you be cleaning? mayn't she be cleaning? mayn't we be cleaning? mayn't you be cleaning? mayn't they be cleaning?
Perfect	V-ing perfect
mayn't I have cleaned? mayn't you have cleaned? mayn't she have cleaned? mayn't we have cleaned? mayn't you have cleaned? mayn't they have cleaned?	mayn't I have been cleaning? mayn't you have been cleaning? mayn't she have been cleaning? mayn't we have been cleaning? mayn't you have been cleaning? mayn't they have been cleaning?