English verb conjugation
MAY CAVERN

Regular verb: cavern - caverned - caverned

Affirmation

Simple form	V-ing form
I may cavern you may cavern she may cavern we may cavern you may cavern they may cavern	I may be caverning you may be caverning she may be caverning we may be caverning you may be caverning they may be caverning
Perfect	V-ing perfect
I may have caverned you may have caverned she may have caverned we may have caverned you may have caverned they may have caverned	I may have been caverning you may have been caverning she may have been caverning we may have been caverning you may have been caverning they may have been caverning

Negation

Simple form	V-ing form
I mayn't cavern you mayn't cavern she mayn't cavern we mayn't cavern you mayn't cavern they mayn't cavern	I mayn't be caverning you mayn't be caverning she mayn't be caverning we mayn't be caverning you mayn't be caverning they mayn't be caverning
Perfect	V-ing perfect
I mayn't have caverned you mayn't have caverned she mayn't have caverned we mayn't have caverned you mayn't have caverned they mayn't have caverned	I mayn't have been caverning you mayn't have been caverning she mayn't have been caverning we mayn't have been caverning you mayn't have been caverning they mayn't have been caverning

Interrogative form

Simple form	V-ing form
may I cavern? may you cavern? may she cavern? may we cavern? may you cavern? may they cavern?	may I be caverning? may you be caverning? may she be caverning? may we be caverning? may you be caverning? may they be caverning?
Perfect	V-ing perfect
may I have caverned? may you have caverned? may she have caverned? may we have caverned? may you have caverned? may they have caverned?	may I have been caverning? may you have been caverning? may she have been caverning? may we have been caverning? may you have been caverning? may they have been caverning?

Interro-negative form

Simple form	V-ing form
mayn't I cavern? mayn't you cavern? mayn't she cavern? mayn't we cavern? mayn't you cavern? mayn't they cavern?	mayn't I be caverning? mayn't you be caverning? mayn't she be caverning? mayn't we be caverning? mayn't you be caverning? mayn't they be caverning?
Perfect	V-ing perfect
mayn't I have caverned? mayn't you have caverned? mayn't she have caverned? mayn't we have caverned? mayn't you have caverned? mayn't they have caverned?	mayn't I have been caverning? mayn't you have been caverning? mayn't she have been caverning? mayn't we have been caverning? mayn't you have been caverning? mayn't they have been caverning?