English verb conjugation
CAN SWARM

Regular verb: swarm - swarmed - swarmed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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