I may frog you may frog he may frog we may frog you may frog they may frog
V-ing form
I may be froging you may be froging he may be froging we may be froging you may be froging they may be froging
Perfect
I may have froged you may have froged he may have froged we may have froged you may have froged they may have froged
V-ing perfect
I may have been froging you may have been froging he may have been froging we may have been froging you may have been froging they may have been froging
Negation
Simple form
I mayn't frog you mayn't frog he mayn't frog we mayn't frog you mayn't frog they mayn't frog
V-ing form
I mayn't be froging you mayn't be froging he mayn't be froging we mayn't be froging you mayn't be froging they mayn't be froging
Perfect
I mayn't have froged you mayn't have froged he mayn't have froged we mayn't have froged you mayn't have froged they mayn't have froged
V-ing perfect
I mayn't have been froging you mayn't have been froging he mayn't have been froging we mayn't have been froging you mayn't have been froging they mayn't have been froging
Interrogative form
Simple form
may I frog? may you frog? may he frog? may we frog? may you frog? may they frog?
V-ing form
may I be froging? may you be froging? may he be froging? may we be froging? may you be froging? may they be froging?
Perfect
may I have froged? may you have froged? may he have froged? may we have froged? may you have froged? may they have froged?
V-ing perfect
may I have been froging? may you have been froging? may he have been froging? may we have been froging? may you have been froging? may they have been froging?
Interro-negative form
Simple form
mayn't I frog? mayn't you frog? mayn't he frog? mayn't we frog? mayn't you frog? mayn't they frog?
V-ing form
mayn't I be froging? mayn't you be froging? mayn't he be froging? mayn't we be froging? mayn't you be froging? mayn't they be froging?
Perfect
mayn't I have froged? mayn't you have froged? mayn't he have froged? mayn't we have froged? mayn't you have froged? mayn't they have froged?
V-ing perfect
mayn't I have been froging? mayn't you have been froging? mayn't he have been froging? mayn't we have been froging? mayn't you have been froging? mayn't they have been froging?