could behead
Verbo regular: behead - beheaded- beheaded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could behead
you could behead
she could behead
we could behead
you could behead
they could behead 	I could be beheading
you could be beheading
she could be beheading
we could be beheading
you could be beheading
they could be beheading	I could have beheaded
you could have beheaded
she could have beheaded
we could have beheaded
you could have beheaded
they could have beheaded	I could have been beheading
you could have been beheading
she could have been beheading
we could have been beheading
you could have been beheading
they could have been beheading	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not behead
you could not behead
she could not behead
we could not behead
you could not behead
they could not behead 	I could not be beheading
you could not be beheading
she could not be beheading
we could not be beheading
you could not be beheading
they could not be beheading	I could not have beheaded
you could not have beheaded
she could not have beheaded
we could not have beheaded
you could not have beheaded
they could not have beheaded	I could not have been beheading
you could not have been beheading
she could not have been beheading
we could not have been beheading
you could not have been beheading
they could not have been beheading	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I behead?
could you behead?
could she behead?
could we behead?
could you behead?
could they behead? 	could I be beheading?
could you be beheading?
could she be beheading?
could we be beheading?
could you be beheading?
could they be beheading? 	could I have beheaded?
could you have beheaded?
could she have beheaded?
could we have beheaded?
could you have beheaded?
could they have beheaded? 	could I have been beheading?
could you have been beheading?
could she have been beheading?
could we have been beheading?
could you have been beheading?
could they have been beheading? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not behead?
could you not behead?
could she not behead?
could we not behead?
could you not behead?
could they not behead? 	could I not be beheading?
could you not be beheading?
could she not be beheading?
could we not be beheading?
could you not be beheading?
could they not be beheading? 	could I not have beheaded?
could you not have beheaded?
could she not have beheaded?
could we not have beheaded?
could you not have beheaded?
could they not have beheaded? 	could I not have been beheading?
could you not have been beheading?
could she not have been beheading?
could we not have been beheading?
could you not have been beheading?
could they not have been beheading?