English verb conjugation
MAY DOFF

Regular verb: doff - doffed - doffed

Affirmation

Simple form	V-ing form
I may doff you may doff he may doff we may doff you may doff they may doff	I may be doffing you may be doffing he may be doffing we may be doffing you may be doffing they may be doffing
Perfect	V-ing perfect
I may have doffed you may have doffed he may have doffed we may have doffed you may have doffed they may have doffed	I may have been doffing you may have been doffing he may have been doffing we may have been doffing you may have been doffing they may have been doffing

Negation

Simple form	V-ing form
I may not doff you may not doff he may not doff we may not doff you may not doff they may not doff	I may not be doffing you may not be doffing he may not be doffing we may not be doffing you may not be doffing they may not be doffing
Perfect	V-ing perfect
I may not have doffed you may not have doffed he may not have doffed we may not have doffed you may not have doffed they may not have doffed	I may not have been doffing you may not have been doffing he may not have been doffing we may not have been doffing you may not have been doffing they may not have been doffing

Interrogative form

Simple form	V-ing form
may I doff? may you doff? may he doff? may we doff? may you doff? may they doff?	may I be doffing? may you be doffing? may he be doffing? may we be doffing? may you be doffing? may they be doffing?
Perfect	V-ing perfect
may I have doffed? may you have doffed? may he have doffed? may we have doffed? may you have doffed? may they have doffed?	may I have been doffing? may you have been doffing? may he have been doffing? may we have been doffing? may you have been doffing? may they have been doffing?

Interro-negative form

Simple form	V-ing form
may I not doff? may you not doff? may he not doff? may we not doff? may you not doff? may they not doff?	may I not be doffing? may you not be doffing? may he not be doffing? may we not be doffing? may you not be doffing? may they not be doffing?
Perfect	V-ing perfect
may I not have doffed? may you not have doffed? may he not have doffed? may we not have doffed? may you not have doffed? may they not have doffed?	may I not have been doffing? may you not have been doffing? may he not have been doffing? may we not have been doffing? may you not have been doffing? may they not have been doffing?