could secede
Verbo regular: secede - seceded- seceded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could secede
you could secede
he could secede
we could secede
you could secede
they could secede 	I could be seceding
you could be seceding
he could be seceding
we could be seceding
you could be seceding
they could be seceding	I could have seceded
you could have seceded
he could have seceded
we could have seceded
you could have seceded
they could have seceded	I could have been seceding
you could have been seceding
he could have been seceding
we could have been seceding
you could have been seceding
they could have been seceding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not secede
you could not secede
he could not secede
we could not secede
you could not secede
they could not secede 	I could not be seceding
you could not be seceding
he could not be seceding
we could not be seceding
you could not be seceding
they could not be seceding	I could not have seceded
you could not have seceded
he could not have seceded
we could not have seceded
you could not have seceded
they could not have seceded	I could not have been seceding
you could not have been seceding
he could not have been seceding
we could not have been seceding
you could not have been seceding
they could not have been seceding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I secede?
could you secede?
could he secede?
could we secede?
could you secede?
could they secede? 	could I be seceding?
could you be seceding?
could he be seceding?
could we be seceding?
could you be seceding?
could they be seceding? 	could I have seceded?
could you have seceded?
could he have seceded?
could we have seceded?
could you have seceded?
could they have seceded? 	could I have been seceding?
could you have been seceding?
could he have been seceding?
could we have been seceding?
could you have been seceding?
could they have been seceding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not secede?
could you not secede?
could he not secede?
could we not secede?
could you not secede?
could they not secede? 	could I not be seceding?
could you not be seceding?
could he not be seceding?
could we not be seceding?
could you not be seceding?
could they not be seceding? 	could I not have seceded?
could you not have seceded?
could he not have seceded?
could we not have seceded?
could you not have seceded?
could they not have seceded? 	could I not have been seceding?
could you not have been seceding?
could he not have been seceding?
could we not have been seceding?
could you not have been seceding?
could they not have been seceding?