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 mayn't doff you mayn't doff he mayn't doff we mayn't doff you mayn't doff they mayn't doff	I mayn't be doffing you mayn't be doffing he mayn't be doffing we mayn't be doffing you mayn't be doffing they mayn't be doffing
Perfect	V-ing perfect
I mayn't have doffed you mayn't have doffed he mayn't have doffed we mayn't have doffed you mayn't have doffed they mayn't have doffed	I mayn't have been doffing you mayn't have been doffing he mayn't have been doffing we mayn't have been doffing you mayn't have been doffing they mayn't 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
mayn't I doff? mayn't you doff? mayn't he doff? mayn't we doff? mayn't you doff? mayn't they doff?	mayn't I be doffing? mayn't you be doffing? mayn't he be doffing? mayn't we be doffing? mayn't you be doffing? mayn't they be doffing?
Perfect	V-ing perfect
mayn't I have doffed? mayn't you have doffed? mayn't he have doffed? mayn't we have doffed? mayn't you have doffed? mayn't they have doffed?	mayn't I have been doffing? mayn't you have been doffing? mayn't he have been doffing? mayn't we have been doffing? mayn't you have been doffing? mayn't they have been doffing?