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 couldn't secede
you couldn't secede
he couldn't secede
we couldn't secede
you couldn't secede
they couldn't secede 	I couldn't be seceding
you couldn't be seceding
he couldn't be seceding
we couldn't be seceding
you couldn't be seceding
they couldn't be seceding	I couldn't have seceded
you couldn't have seceded
he couldn't have seceded
we couldn't have seceded
you couldn't have seceded
they couldn't have seceded	I couldn't have been seceding
you couldn't have been seceding
he couldn't have been seceding
we couldn't have been seceding
you couldn't have been seceding
they couldn't 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 	
couldn't I secede?
couldn't you secede?
couldn't he secede?
couldn't we secede?
couldn't you secede?
couldn't they secede? 	couldn't I be seceding?
couldn't you be seceding?
couldn't he be seceding?
couldn't we be seceding?
couldn't you be seceding?
couldn't they be seceding? 	couldn't I have seceded?
couldn't you have seceded?
couldn't he have seceded?
couldn't we have seceded?
couldn't you have seceded?
couldn't they have seceded? 	couldn't I have been seceding?
couldn't you have been seceding?
couldn't he have been seceding?
couldn't we have been seceding?
couldn't you have been seceding?
couldn't they have been seceding?