could seise
Verbo regular: seise - seised- seised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could seise
you could seise
he could seise
we could seise
you could seise
they could seise 	I could be seising
you could be seising
he could be seising
we could be seising
you could be seising
they could be seising	I could have seised
you could have seised
he could have seised
we could have seised
you could have seised
they could have seised	I could have been seising
you could have been seising
he could have been seising
we could have been seising
you could have been seising
they could have been seising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not seise
you could not seise
he could not seise
we could not seise
you could not seise
they could not seise 	I could not be seising
you could not be seising
he could not be seising
we could not be seising
you could not be seising
they could not be seising	I could not have seised
you could not have seised
he could not have seised
we could not have seised
you could not have seised
they could not have seised	I could not have been seising
you could not have been seising
he could not have been seising
we could not have been seising
you could not have been seising
they could not have been seising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I seise?
could you seise?
could he seise?
could we seise?
could you seise?
could they seise? 	could I be seising?
could you be seising?
could he be seising?
could we be seising?
could you be seising?
could they be seising? 	could I have seised?
could you have seised?
could he have seised?
could we have seised?
could you have seised?
could they have seised? 	could I have been seising?
could you have been seising?
could he have been seising?
could we have been seising?
could you have been seising?
could they have been seising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not seise?
could you not seise?
could he not seise?
could we not seise?
could you not seise?
could they not seise? 	could I not be seising?
could you not be seising?
could he not be seising?
could we not be seising?
could you not be seising?
could they not be seising? 	could I not have seised?
could you not have seised?
could he not have seised?
could we not have seised?
could you not have seised?
could they not have seised? 	could I not have been seising?
could you not have been seising?
could he not have been seising?
could we not have been seising?
could you not have been seising?
could they not have been seising?