Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may gronder passer you may gronder passer she may gronder passer we may gronder passer you may gronder passer they may gronder passer
V-ing form
I may be gronder passering you may be gronder passering she may be gronder passering we may be gronder passering you may be gronder passering they may be gronder passering
Perfect
I may have gronder passered you may have gronder passered she may have gronder passered we may have gronder passered you may have gronder passered they may have gronder passered
V-ing perfect
I may have been gronder passering you may have been gronder passering she may have been gronder passering we may have been gronder passering you may have been gronder passering they may have been gronder passering
Negation
Simple form
I mayn't gronder passer you mayn't gronder passer she mayn't gronder passer we mayn't gronder passer you mayn't gronder passer they mayn't gronder passer
V-ing form
I mayn't be gronder passering you mayn't be gronder passering she mayn't be gronder passering we mayn't be gronder passering you mayn't be gronder passering they mayn't be gronder passering
Perfect
I mayn't have gronder passered you mayn't have gronder passered she mayn't have gronder passered we mayn't have gronder passered you mayn't have gronder passered they mayn't have gronder passered
V-ing perfect
I mayn't have been gronder passering you mayn't have been gronder passering she mayn't have been gronder passering we mayn't have been gronder passering you mayn't have been gronder passering they mayn't have been gronder passering
Interrogative form
Simple form
may I gronder passer? may you gronder passer? may she gronder passer? may we gronder passer? may you gronder passer? may they gronder passer?
V-ing form
may I be gronder passering? may you be gronder passering? may she be gronder passering? may we be gronder passering? may you be gronder passering? may they be gronder passering?
Perfect
may I have gronder passered? may you have gronder passered? may she have gronder passered? may we have gronder passered? may you have gronder passered? may they have gronder passered?
V-ing perfect
may I have been gronder passering? may you have been gronder passering? may she have been gronder passering? may we have been gronder passering? may you have been gronder passering? may they have been gronder passering?
Interro-negative form
Simple form
mayn't I gronder passer? mayn't you gronder passer? mayn't she gronder passer? mayn't we gronder passer? mayn't you gronder passer? mayn't they gronder passer?
V-ing form
mayn't I be gronder passering? mayn't you be gronder passering? mayn't she be gronder passering? mayn't we be gronder passering? mayn't you be gronder passering? mayn't they be gronder passering?
Perfect
mayn't I have gronder passered? mayn't you have gronder passered? mayn't she have gronder passered? mayn't we have gronder passered? mayn't you have gronder passered? mayn't they have gronder passered?
V-ing perfect
mayn't I have been gronder passering? mayn't you have been gronder passering? mayn't she have been gronder passering? mayn't we have been gronder passering? mayn't you have been gronder passering? mayn't they have been gronder passering?