I may swarm you may swarm she may swarm we may swarm you may swarm they may swarm
V-ing form
I may be swarming you may be swarming she may be swarming we may be swarming you may be swarming they may be swarming
Perfect
I may have swarmed you may have swarmed she 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 she 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 she 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 she 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 she 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 she 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 she swarm? may we swarm? may you swarm? may they swarm?
V-ing form
may I be swarming? may you be swarming? may she be swarming? may we be swarming? may you be swarming? may they be swarming?
Perfect
may I have swarmed? may you have swarmed? may she 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 she 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 she 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 she 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 she 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 she have been swarming? mayn't we have been swarming? mayn't you have been swarming? mayn't they have been swarming?