Regular verb: billboard - billboarded - billboarded
Affirmation
Simple form
I may billboard you may billboard she may billboard we may billboard you may billboard they may billboard
V-ing form
I may be billboarding you may be billboarding she may be billboarding we may be billboarding you may be billboarding they may be billboarding
Perfect
I may have billboarded you may have billboarded she may have billboarded we may have billboarded you may have billboarded they may have billboarded
V-ing perfect
I may have been billboarding you may have been billboarding she may have been billboarding we may have been billboarding you may have been billboarding they may have been billboarding
Negation
Simple form
I mayn't billboard you mayn't billboard she mayn't billboard we mayn't billboard you mayn't billboard they mayn't billboard
V-ing form
I mayn't be billboarding you mayn't be billboarding she mayn't be billboarding we mayn't be billboarding you mayn't be billboarding they mayn't be billboarding
Perfect
I mayn't have billboarded you mayn't have billboarded she mayn't have billboarded we mayn't have billboarded you mayn't have billboarded they mayn't have billboarded
V-ing perfect
I mayn't have been billboarding you mayn't have been billboarding she mayn't have been billboarding we mayn't have been billboarding you mayn't have been billboarding they mayn't have been billboarding
Interrogative form
Simple form
may I billboard? may you billboard? may she billboard? may we billboard? may you billboard? may they billboard?
V-ing form
may I be billboarding? may you be billboarding? may she be billboarding? may we be billboarding? may you be billboarding? may they be billboarding?
Perfect
may I have billboarded? may you have billboarded? may she have billboarded? may we have billboarded? may you have billboarded? may they have billboarded?
V-ing perfect
may I have been billboarding? may you have been billboarding? may she have been billboarding? may we have been billboarding? may you have been billboarding? may they have been billboarding?
Interro-negative form
Simple form
mayn't I billboard? mayn't you billboard? mayn't she billboard? mayn't we billboard? mayn't you billboard? mayn't they billboard?
V-ing form
mayn't I be billboarding? mayn't you be billboarding? mayn't she be billboarding? mayn't we be billboarding? mayn't you be billboarding? mayn't they be billboarding?
Perfect
mayn't I have billboarded? mayn't you have billboarded? mayn't she have billboarded? mayn't we have billboarded? mayn't you have billboarded? mayn't they have billboarded?
V-ing perfect
mayn't I have been billboarding? mayn't you have been billboarding? mayn't she have been billboarding? mayn't we have been billboarding? mayn't you have been billboarding? mayn't they have been billboarding?