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 must not swarm you must not swarm he must not swarm we must not swarm you must not swarm they must not swarm	I must not be swarming you must not be swarming he must not be swarming we must not be swarming you must not be swarming they must not be swarming
Perfect	V-ing perfect
I must not have swarmed you must not have swarmed he must not have swarmed we must not have swarmed you must not have swarmed they must not have swarmed	I must not have been swarming you must not have been swarming he must not have been swarming we must not have been swarming you must not have been swarming they must not 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
must I not swarm? must you not swarm? must he not swarm? must we not swarm? must you not swarm? must they not swarm?	must I not be swarming? must you not be swarming? must he not be swarming? must we not be swarming? must you not be swarming? must they not be swarming?
Perfect	V-ing perfect
must I not have swarmed? must you not have swarmed? must he not have swarmed? must we not have swarmed? must you not have swarmed? must they not have swarmed?	must I not have been swarming? must you not have been swarming? must he not have been swarming? must we not have been swarming? must you not have been swarming? must they not have been swarming?