English verb conjugation
MAY DUMB

Regular verb: dumb - dumbed - dumbed

Affirmation

Simple form	V-ing form
I may dumb you may dumb he may dumb we may dumb you may dumb they may dumb	I may be dumbing you may be dumbing he 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 he 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 he 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 may not dumb you may not dumb he may not dumb we may not dumb you may not dumb they may not dumb	I may not be dumbing you may not be dumbing he may not be dumbing we may not be dumbing you may not be dumbing they may not be dumbing
Perfect	V-ing perfect
I may not have dumbed you may not have dumbed he may not have dumbed we may not have dumbed you may not have dumbed they may not have dumbed	I may not have been dumbing you may not have been dumbing he may not have been dumbing we may not have been dumbing you may not have been dumbing they may not have been dumbing

Interrogative form

Simple form	V-ing form
may I dumb? may you dumb? may he dumb? may we dumb? may you dumb? may they dumb?	may I be dumbing? may you be dumbing? may he 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 he 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 he 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
may I not dumb? may you not dumb? may he not dumb? may we not dumb? may you not dumb? may they not dumb?	may I not be dumbing? may you not be dumbing? may he not be dumbing? may we not be dumbing? may you not be dumbing? may they not be dumbing?
Perfect	V-ing perfect
may I not have dumbed? may you not have dumbed? may he not have dumbed? may we not have dumbed? may you not have dumbed? may they not have dumbed?	may I not have been dumbing? may you not have been dumbing? may he not have been dumbing? may we not have been dumbing? may you not have been dumbing? may they not have been dumbing?