English verb conjugation
MUST SWARM

Regular verb: swarm - swarmed - swarmed

Affirmation

Simple form	V-ing form
I must swarm you must swarm he must swarm we must swarm you must swarm they must swarm	I must be swarming you must be swarming he must be swarming we must be swarming you must be swarming they must be swarming
Perfect	V-ing perfect
I must have swarmed you must have swarmed he must have swarmed we must have swarmed you must have swarmed they must have swarmed	I must have been swarming you must have been swarming he must have been swarming we must have been swarming you must have been swarming they must have been swarming

Negation

Simple form	V-ing form
I mustn't swarm you mustn't swarm he mustn't swarm we mustn't swarm you mustn't swarm they mustn't swarm	I mustn't be swarming you mustn't be swarming he mustn't be swarming we mustn't be swarming you mustn't be swarming they mustn't be swarming
Perfect	V-ing perfect
I mustn't have swarmed you mustn't have swarmed he mustn't have swarmed we mustn't have swarmed you mustn't have swarmed they mustn't have swarmed	I mustn't have been swarming you mustn't have been swarming he mustn't have been swarming we mustn't have been swarming you mustn't have been swarming they mustn't have been swarming

Interrogative form

Simple form	V-ing form
must I swarm? must you swarm? must he swarm? must we swarm? must you swarm? must they swarm?	must I be swarming? must you be swarming? must he be swarming? must we be swarming? must you be swarming? must they be swarming?
Perfect	V-ing perfect
must I have swarmed? must you have swarmed? must he have swarmed? must we have swarmed? must you have swarmed? must they have swarmed?	must I have been swarming? must you have been swarming? must he have been swarming? must we have been swarming? must you have been swarming? must they have been swarming?

Interro-negative form

Simple form	V-ing form
mustn't I swarm? mustn't you swarm? mustn't he swarm? mustn't we swarm? mustn't you swarm? mustn't they swarm?	mustn't I be swarming? mustn't you be swarming? mustn't he be swarming? mustn't we be swarming? mustn't you be swarming? mustn't they be swarming?
Perfect	V-ing perfect
mustn't I have swarmed? mustn't you have swarmed? mustn't he have swarmed? mustn't we have swarmed? mustn't you have swarmed? mustn't they have swarmed?	mustn't I have been swarming? mustn't you have been swarming? mustn't he have been swarming? mustn't we have been swarming? mustn't you have been swarming? mustn't they have been swarming?