could characterize
Verbo regular: characterize - characterized- characterized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could characterize
you could characterize
she could characterize
we could characterize
you could characterize
they could characterize 	I could be characterizing
you could be characterizing
she could be characterizing
we could be characterizing
you could be characterizing
they could be characterizing	I could have characterized
you could have characterized
she could have characterized
we could have characterized
you could have characterized
they could have characterized	I could have been characterizing
you could have been characterizing
she could have been characterizing
we could have been characterizing
you could have been characterizing
they could have been characterizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not characterize
you could not characterize
she could not characterize
we could not characterize
you could not characterize
they could not characterize 	I could not be characterizing
you could not be characterizing
she could not be characterizing
we could not be characterizing
you could not be characterizing
they could not be characterizing	I could not have characterized
you could not have characterized
she could not have characterized
we could not have characterized
you could not have characterized
they could not have characterized	I could not have been characterizing
you could not have been characterizing
she could not have been characterizing
we could not have been characterizing
you could not have been characterizing
they could not have been characterizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I characterize?
could you characterize?
could she characterize?
could we characterize?
could you characterize?
could they characterize? 	could I be characterizing?
could you be characterizing?
could she be characterizing?
could we be characterizing?
could you be characterizing?
could they be characterizing? 	could I have characterized?
could you have characterized?
could she have characterized?
could we have characterized?
could you have characterized?
could they have characterized? 	could I have been characterizing?
could you have been characterizing?
could she have been characterizing?
could we have been characterizing?
could you have been characterizing?
could they have been characterizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not characterize?
could you not characterize?
could she not characterize?
could we not characterize?
could you not characterize?
could they not characterize? 	could I not be characterizing?
could you not be characterizing?
could she not be characterizing?
could we not be characterizing?
could you not be characterizing?
could they not be characterizing? 	could I not have characterized?
could you not have characterized?
could she not have characterized?
could we not have characterized?
could you not have characterized?
could they not have characterized? 	could I not have been characterizing?
could you not have been characterizing?
could she not have been characterizing?
could we not have been characterizing?
could you not have been characterizing?
could they not have been characterizing?