could swarm
Verbo regular: swarm - swarmed- swarmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could swarm
you could swarm
she could swarm
we could swarm
you could swarm
they could swarm 	I could be swarming
you could be swarming
she could be swarming
we could be swarming
you could be swarming
they could be swarming	I could have swarmed
you could have swarmed
she could have swarmed
we could have swarmed
you could have swarmed
they could have swarmed	I could have been swarming
you could have been swarming
she could have been swarming
we could have been swarming
you could have been swarming
they could have been swarming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not swarm
you could not swarm
she could not swarm
we could not swarm
you could not swarm
they could not swarm 	I could not be swarming
you could not be swarming
she could not be swarming
we could not be swarming
you could not be swarming
they could not be swarming	I could not have swarmed
you could not have swarmed
she could not have swarmed
we could not have swarmed
you could not have swarmed
they could not have swarmed	I could not have been swarming
you could not have been swarming
she could not have been swarming
we could not have been swarming
you could not have been swarming
they could not have been swarming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I swarm?
could you swarm?
could she swarm?
could we swarm?
could you swarm?
could they swarm? 	could I be swarming?
could you be swarming?
could she be swarming?
could we be swarming?
could you be swarming?
could they be swarming? 	could I have swarmed?
could you have swarmed?
could she have swarmed?
could we have swarmed?
could you have swarmed?
could they have swarmed? 	could I have been swarming?
could you have been swarming?
could she have been swarming?
could we have been swarming?
could you have been swarming?
could they have been swarming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not swarm?
could you not swarm?
could she not swarm?
could we not swarm?
could you not swarm?
could they not swarm? 	could I not be swarming?
could you not be swarming?
could she not be swarming?
could we not be swarming?
could you not be swarming?
could they not be swarming? 	could I not have swarmed?
could you not have swarmed?
could she not have swarmed?
could we not have swarmed?
could you not have swarmed?
could they not have swarmed? 	could I not have been swarming?
could you not have been swarming?
could she not have been swarming?
could we not have been swarming?
could you not have been swarming?
could they not have been swarming?