English verb conjugation
MAY FESTOON

Regular verb: festoon - festooned - festooned

Affirmation

Simple form	V-ing form
I may festoon you may festoon she may festoon we may festoon you may festoon they may festoon	I may be festooning you may be festooning she may be festooning we may be festooning you may be festooning they may be festooning
Perfect	V-ing perfect
I may have festooned you may have festooned she may have festooned we may have festooned you may have festooned they may have festooned	I may have been festooning you may have been festooning she may have been festooning we may have been festooning you may have been festooning they may have been festooning

Negation

Simple form	V-ing form
I mayn't festoon you mayn't festoon she mayn't festoon we mayn't festoon you mayn't festoon they mayn't festoon	I mayn't be festooning you mayn't be festooning she mayn't be festooning we mayn't be festooning you mayn't be festooning they mayn't be festooning
Perfect	V-ing perfect
I mayn't have festooned you mayn't have festooned she mayn't have festooned we mayn't have festooned you mayn't have festooned they mayn't have festooned	I mayn't have been festooning you mayn't have been festooning she mayn't have been festooning we mayn't have been festooning you mayn't have been festooning they mayn't have been festooning

Interrogative form

Simple form	V-ing form
may I festoon? may you festoon? may she festoon? may we festoon? may you festoon? may they festoon?	may I be festooning? may you be festooning? may she be festooning? may we be festooning? may you be festooning? may they be festooning?
Perfect	V-ing perfect
may I have festooned? may you have festooned? may she have festooned? may we have festooned? may you have festooned? may they have festooned?	may I have been festooning? may you have been festooning? may she have been festooning? may we have been festooning? may you have been festooning? may they have been festooning?

Interro-negative form

Simple form	V-ing form
mayn't I festoon? mayn't you festoon? mayn't she festoon? mayn't we festoon? mayn't you festoon? mayn't they festoon?	mayn't I be festooning? mayn't you be festooning? mayn't she be festooning? mayn't we be festooning? mayn't you be festooning? mayn't they be festooning?
Perfect	V-ing perfect
mayn't I have festooned? mayn't you have festooned? mayn't she have festooned? mayn't we have festooned? mayn't you have festooned? mayn't they have festooned?	mayn't I have been festooning? mayn't you have been festooning? mayn't she have been festooning? mayn't we have been festooning? mayn't you have been festooning? mayn't they have been festooning?