can swarm
Regular verb: swarm - swarmed- swarmed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can swarm
you can swarm
she can swarm
we can swarm
you can swarm
they can swarm 	I can be swarming
you can be swarming
she can be swarming
we can be swarming
you can be swarming
they can be swarming	I can have swarmed
you can have swarmed
she 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
she 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 	Perfect 	V-ing perfect 	
I cannot swarm
you cannot swarm
she cannot swarm
we cannot swarm
you cannot swarm
they cannot swarm 	I cannot be swarming
you cannot be swarming
she cannot be swarming
we cannot be swarming
you cannot be swarming
they cannot be swarming	I cannot have swarmed
you cannot have swarmed
she cannot have swarmed
we cannot have swarmed
you cannot have swarmed
they cannot have swarmed	I cannot have been swarming
you cannot have been swarming
she cannot have been swarming
we cannot have been swarming
you cannot have been swarming
they cannot have been swarming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I swarm?
can you swarm?
can she swarm?
can we swarm?
can you swarm?
can they swarm? 	can I be swarming?
can you be swarming?
can she be swarming?
can we be swarming?
can you be swarming?
can they be swarming? 	can I have swarmed?
can you have swarmed?
can she 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 she 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 	Perfect 	V-ing perfect 	
can I not swarm?
can you not swarm?
can she not swarm?
can we not swarm?
can you not swarm?
can they not swarm? 	can I not be swarming?
can you not be swarming?
can she not be swarming?
can we not be swarming?
can you not be swarming?
can they not be swarming? 	can I not have swarmed?
can you not have swarmed?
can she not have swarmed?
can we not have swarmed?
can you not have swarmed?
can they not have swarmed? 	can I not have been swarming?
can you not have been swarming?
can she not have been swarming?
can we not have been swarming?
can you not have been swarming?
can they not have been swarming?