could seam
Verbo regular: seam - seamed- seamed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could seam
you could seam
she could seam
we could seam
you could seam
they could seam 	I could be seaming
you could be seaming
she could be seaming
we could be seaming
you could be seaming
they could be seaming	I could have seamed
you could have seamed
she could have seamed
we could have seamed
you could have seamed
they could have seamed	I could have been seaming
you could have been seaming
she could have been seaming
we could have been seaming
you could have been seaming
they could have been seaming	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not seam
you could not seam
she could not seam
we could not seam
you could not seam
they could not seam 	I could not be seaming
you could not be seaming
she could not be seaming
we could not be seaming
you could not be seaming
they could not be seaming	I could not have seamed
you could not have seamed
she could not have seamed
we could not have seamed
you could not have seamed
they could not have seamed	I could not have been seaming
you could not have been seaming
she could not have been seaming
we could not have been seaming
you could not have been seaming
they could not have been seaming	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I seam?
could you seam?
could she seam?
could we seam?
could you seam?
could they seam? 	could I be seaming?
could you be seaming?
could she be seaming?
could we be seaming?
could you be seaming?
could they be seaming? 	could I have seamed?
could you have seamed?
could she have seamed?
could we have seamed?
could you have seamed?
could they have seamed? 	could I have been seaming?
could you have been seaming?
could she have been seaming?
could we have been seaming?
could you have been seaming?
could they have been seaming? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not seam?
could you not seam?
could she not seam?
could we not seam?
could you not seam?
could they not seam? 	could I not be seaming?
could you not be seaming?
could she not be seaming?
could we not be seaming?
could you not be seaming?
could they not be seaming? 	could I not have seamed?
could you not have seamed?
could she not have seamed?
could we not have seamed?
could you not have seamed?
could they not have seamed? 	could I not have been seaming?
could you not have been seaming?
could she not have been seaming?
could we not have been seaming?
could you not have been seaming?
could they not have been seaming?