could unround
Verbo regular: unround - unrounded- unrounded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could unround
you could unround
he could unround
we could unround
you could unround
they could unround 	I could be unrounding
you could be unrounding
he could be unrounding
we could be unrounding
you could be unrounding
they could be unrounding	I could have unrounded
you could have unrounded
he could have unrounded
we could have unrounded
you could have unrounded
they could have unrounded	I could have been unrounding
you could have been unrounding
he could have been unrounding
we could have been unrounding
you could have been unrounding
they could have been unrounding	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not unround
you could not unround
he could not unround
we could not unround
you could not unround
they could not unround 	I could not be unrounding
you could not be unrounding
he could not be unrounding
we could not be unrounding
you could not be unrounding
they could not be unrounding	I could not have unrounded
you could not have unrounded
he could not have unrounded
we could not have unrounded
you could not have unrounded
they could not have unrounded	I could not have been unrounding
you could not have been unrounding
he could not have been unrounding
we could not have been unrounding
you could not have been unrounding
they could not have been unrounding	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I unround?
could you unround?
could he unround?
could we unround?
could you unround?
could they unround? 	could I be unrounding?
could you be unrounding?
could he be unrounding?
could we be unrounding?
could you be unrounding?
could they be unrounding? 	could I have unrounded?
could you have unrounded?
could he have unrounded?
could we have unrounded?
could you have unrounded?
could they have unrounded? 	could I have been unrounding?
could you have been unrounding?
could he have been unrounding?
could we have been unrounding?
could you have been unrounding?
could they have been unrounding? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not unround?
could you not unround?
could he not unround?
could we not unround?
could you not unround?
could they not unround? 	could I not be unrounding?
could you not be unrounding?
could he not be unrounding?
could we not be unrounding?
could you not be unrounding?
could they not be unrounding? 	could I not have unrounded?
could you not have unrounded?
could he not have unrounded?
could we not have unrounded?
could you not have unrounded?
could they not have unrounded? 	could I not have been unrounding?
could you not have been unrounding?
could he not have been unrounding?
could we not have been unrounding?
could you not have been unrounding?
could they not have been unrounding?