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