English verb conjugation
MAY ATTEND

Regular verb: attend - attended - attended

Affirmation

Simple form	V-ing form
I may attend you may attend he may attend we may attend you may attend they may attend	I may be attending you may be attending he may be attending we may be attending you may be attending they may be attending
Perfect	V-ing perfect
I may have attended you may have attended he may have attended we may have attended you may have attended they may have attended	I may have been attending you may have been attending he may have been attending we may have been attending you may have been attending they may have been attending

Negation

Simple form	V-ing form
I mayn't attend you mayn't attend he mayn't attend we mayn't attend you mayn't attend they mayn't attend	I mayn't be attending you mayn't be attending he mayn't be attending we mayn't be attending you mayn't be attending they mayn't be attending
Perfect	V-ing perfect
I mayn't have attended you mayn't have attended he mayn't have attended we mayn't have attended you mayn't have attended they mayn't have attended	I mayn't have been attending you mayn't have been attending he mayn't have been attending we mayn't have been attending you mayn't have been attending they mayn't have been attending

Interrogative form

Simple form	V-ing form
may I attend? may you attend? may he attend? may we attend? may you attend? may they attend?	may I be attending? may you be attending? may he be attending? may we be attending? may you be attending? may they be attending?
Perfect	V-ing perfect
may I have attended? may you have attended? may he have attended? may we have attended? may you have attended? may they have attended?	may I have been attending? may you have been attending? may he have been attending? may we have been attending? may you have been attending? may they have been attending?

Interro-negative form

Simple form	V-ing form
mayn't I attend? mayn't you attend? mayn't he attend? mayn't we attend? mayn't you attend? mayn't they attend?	mayn't I be attending? mayn't you be attending? mayn't he be attending? mayn't we be attending? mayn't you be attending? mayn't they be attending?
Perfect	V-ing perfect
mayn't I have attended? mayn't you have attended? mayn't he have attended? mayn't we have attended? mayn't you have attended? mayn't they have attended?	mayn't I have been attending? mayn't you have been attending? mayn't he have been attending? mayn't we have been attending? mayn't you have been attending? mayn't they have been attending?