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