could calm
Verbo regular: calm - calmed- calmed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could calm
you could calm
she could calm
we could calm
you could calm
they could calm 	I could be calming
you could be calming
she could be calming
we could be calming
you could be calming
they could be calming	I could have calmed
you could have calmed
she could have calmed
we could have calmed
you could have calmed
they could have calmed	I could have been calming
you could have been calming
she could have been calming
we could have been calming
you could have been calming
they could have been calming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not calm
you could not calm
she could not calm
we could not calm
you could not calm
they could not calm 	I could not be calming
you could not be calming
she could not be calming
we could not be calming
you could not be calming
they could not be calming	I could not have calmed
you could not have calmed
she could not have calmed
we could not have calmed
you could not have calmed
they could not have calmed	I could not have been calming
you could not have been calming
she could not have been calming
we could not have been calming
you could not have been calming
they could not have been calming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I calm?
could you calm?
could she calm?
could we calm?
could you calm?
could they calm? 	could I be calming?
could you be calming?
could she be calming?
could we be calming?
could you be calming?
could they be calming? 	could I have calmed?
could you have calmed?
could she have calmed?
could we have calmed?
could you have calmed?
could they have calmed? 	could I have been calming?
could you have been calming?
could she have been calming?
could we have been calming?
could you have been calming?
could they have been calming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not calm?
could you not calm?
could she not calm?
could we not calm?
could you not calm?
could they not calm? 	could I not be calming?
could you not be calming?
could she not be calming?
could we not be calming?
could you not be calming?
could they not be calming? 	could I not have calmed?
could you not have calmed?
could she not have calmed?
could we not have calmed?
could you not have calmed?
could they not have calmed? 	could I not have been calming?
could you not have been calming?
could she not have been calming?
could we not have been calming?
could you not have been calming?
could they not have been calming?