English verb conjugation
MAY DUMB

Regular verb: dumb - dumbed - dumbed

Affirmation

Simple form	V-ing form
I may dumb you may dumb she may dumb we may dumb you may dumb they may dumb	I may be dumbing you may be dumbing she may be dumbing we may be dumbing you may be dumbing they may be dumbing
Perfect	V-ing perfect
I may have dumbed you may have dumbed she may have dumbed we may have dumbed you may have dumbed they may have dumbed	I may have been dumbing you may have been dumbing she may have been dumbing we may have been dumbing you may have been dumbing they may have been dumbing

Negation

Simple form	V-ing form
I mayn't dumb you mayn't dumb she mayn't dumb we mayn't dumb you mayn't dumb they mayn't dumb	I mayn't be dumbing you mayn't be dumbing she mayn't be dumbing we mayn't be dumbing you mayn't be dumbing they mayn't be dumbing
Perfect	V-ing perfect
I mayn't have dumbed you mayn't have dumbed she mayn't have dumbed we mayn't have dumbed you mayn't have dumbed they mayn't have dumbed	I mayn't have been dumbing you mayn't have been dumbing she mayn't have been dumbing we mayn't have been dumbing you mayn't have been dumbing they mayn't have been dumbing

Interrogative form

Simple form	V-ing form
may I dumb? may you dumb? may she dumb? may we dumb? may you dumb? may they dumb?	may I be dumbing? may you be dumbing? may she be dumbing? may we be dumbing? may you be dumbing? may they be dumbing?
Perfect	V-ing perfect
may I have dumbed? may you have dumbed? may she have dumbed? may we have dumbed? may you have dumbed? may they have dumbed?	may I have been dumbing? may you have been dumbing? may she have been dumbing? may we have been dumbing? may you have been dumbing? may they have been dumbing?

Interro-negative form

Simple form	V-ing form
mayn't I dumb? mayn't you dumb? mayn't she dumb? mayn't we dumb? mayn't you dumb? mayn't they dumb?	mayn't I be dumbing? mayn't you be dumbing? mayn't she be dumbing? mayn't we be dumbing? mayn't you be dumbing? mayn't they be dumbing?
Perfect	V-ing perfect
mayn't I have dumbed? mayn't you have dumbed? mayn't she have dumbed? mayn't we have dumbed? mayn't you have dumbed? mayn't they have dumbed?	mayn't I have been dumbing? mayn't you have been dumbing? mayn't she have been dumbing? mayn't we have been dumbing? mayn't you have been dumbing? mayn't they have been dumbing?