English verb conjugation
MAY DO

Irregular verb: do - did - done

Affirmation

Simple form	V-ing form
I may do you may do he may do we may do you may do they may do	I may be doing you may be doing he may be doing we may be doing you may be doing they may be doing
Perfect	V-ing perfect
I may have done you may have done he may have done we may have done you may have done they may have done	I may have been doing you may have been doing he may have been doing we may have been doing you may have been doing they may have been doing

Negation

Simple form	V-ing form
I may not do you may not do he may not do we may not do you may not do they may not do	I may not be doing you may not be doing he may not be doing we may not be doing you may not be doing they may not be doing
Perfect	V-ing perfect
I may not have done you may not have done he may not have done we may not have done you may not have done they may not have done	I may not have been doing you may not have been doing he may not have been doing we may not have been doing you may not have been doing they may not have been doing

Interrogative form

Simple form	V-ing form
may I do? may you do? may he do? may we do? may you do? may they do?	may I be doing? may you be doing? may he be doing? may we be doing? may you be doing? may they be doing?
Perfect	V-ing perfect
may I have done? may you have done? may he have done? may we have done? may you have done? may they have done?	may I have been doing? may you have been doing? may he have been doing? may we have been doing? may you have been doing? may they have been doing?

Interro-negative form

Simple form	V-ing form
may I not do? may you not do? may he not do? may we not do? may you not do? may they not do?	may I not be doing? may you not be doing? may he not be doing? may we not be doing? may you not be doing? may they not be doing?
Perfect	V-ing perfect
may I not have done? may you not have done? may he not have done? may we not have done? may you not have done? may they not have done?	may I not have been doing? may you not have been doing? may he not have been doing? may we not have been doing? may you not have been doing? may they not have been doing?