could formalize
Verbo regular: formalize - formalized- formalized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could formalize
you could formalize
she could formalize
we could formalize
you could formalize
they could formalize 	I could be formalizing
you could be formalizing
she could be formalizing
we could be formalizing
you could be formalizing
they could be formalizing	I could have formalized
you could have formalized
she could have formalized
we could have formalized
you could have formalized
they could have formalized	I could have been formalizing
you could have been formalizing
she could have been formalizing
we could have been formalizing
you could have been formalizing
they could have been formalizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not formalize
you could not formalize
she could not formalize
we could not formalize
you could not formalize
they could not formalize 	I could not be formalizing
you could not be formalizing
she could not be formalizing
we could not be formalizing
you could not be formalizing
they could not be formalizing	I could not have formalized
you could not have formalized
she could not have formalized
we could not have formalized
you could not have formalized
they could not have formalized	I could not have been formalizing
you could not have been formalizing
she could not have been formalizing
we could not have been formalizing
you could not have been formalizing
they could not have been formalizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I formalize?
could you formalize?
could she formalize?
could we formalize?
could you formalize?
could they formalize? 	could I be formalizing?
could you be formalizing?
could she be formalizing?
could we be formalizing?
could you be formalizing?
could they be formalizing? 	could I have formalized?
could you have formalized?
could she have formalized?
could we have formalized?
could you have formalized?
could they have formalized? 	could I have been formalizing?
could you have been formalizing?
could she have been formalizing?
could we have been formalizing?
could you have been formalizing?
could they have been formalizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not formalize?
could you not formalize?
could she not formalize?
could we not formalize?
could you not formalize?
could they not formalize? 	could I not be formalizing?
could you not be formalizing?
could she not be formalizing?
could we not be formalizing?
could you not be formalizing?
could they not be formalizing? 	could I not have formalized?
could you not have formalized?
could she not have formalized?
could we not have formalized?
could you not have formalized?
could they not have formalized? 	could I not have been formalizing?
could you not have been formalizing?
could she not have been formalizing?
could we not have been formalizing?
could you not have been formalizing?
could they not have been formalizing?