could cocoon
Verbo regular: cocoon - cocooned- cocooned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could cocoon
you could cocoon
he could cocoon
we could cocoon
you could cocoon
they could cocoon 	I could be cocooning
you could be cocooning
he could be cocooning
we could be cocooning
you could be cocooning
they could be cocooning	I could have cocooned
you could have cocooned
he could have cocooned
we could have cocooned
you could have cocooned
they could have cocooned	I could have been cocooning
you could have been cocooning
he could have been cocooning
we could have been cocooning
you could have been cocooning
they could have been cocooning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not cocoon
you could not cocoon
he could not cocoon
we could not cocoon
you could not cocoon
they could not cocoon 	I could not be cocooning
you could not be cocooning
he could not be cocooning
we could not be cocooning
you could not be cocooning
they could not be cocooning	I could not have cocooned
you could not have cocooned
he could not have cocooned
we could not have cocooned
you could not have cocooned
they could not have cocooned	I could not have been cocooning
you could not have been cocooning
he could not have been cocooning
we could not have been cocooning
you could not have been cocooning
they could not have been cocooning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I cocoon?
could you cocoon?
could he cocoon?
could we cocoon?
could you cocoon?
could they cocoon? 	could I be cocooning?
could you be cocooning?
could he be cocooning?
could we be cocooning?
could you be cocooning?
could they be cocooning? 	could I have cocooned?
could you have cocooned?
could he have cocooned?
could we have cocooned?
could you have cocooned?
could they have cocooned? 	could I have been cocooning?
could you have been cocooning?
could he have been cocooning?
could we have been cocooning?
could you have been cocooning?
could they have been cocooning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not cocoon?
could you not cocoon?
could he not cocoon?
could we not cocoon?
could you not cocoon?
could they not cocoon? 	could I not be cocooning?
could you not be cocooning?
could he not be cocooning?
could we not be cocooning?
could you not be cocooning?
could they not be cocooning? 	could I not have cocooned?
could you not have cocooned?
could he not have cocooned?
could we not have cocooned?
could you not have cocooned?
could they not have cocooned? 	could I not have been cocooning?
could you not have been cocooning?
could he not have been cocooning?
could we not have been cocooning?
could you not have been cocooning?
could they not have been cocooning?