could disk
Verbo regular: disk - disked- disked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could disk
you could disk
she could disk
we could disk
you could disk
they could disk 	I could be disking
you could be disking
she could be disking
we could be disking
you could be disking
they could be disking	I could have disked
you could have disked
she could have disked
we could have disked
you could have disked
they could have disked	I could have been disking
you could have been disking
she could have been disking
we could have been disking
you could have been disking
they could have been disking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not disk
you could not disk
she could not disk
we could not disk
you could not disk
they could not disk 	I could not be disking
you could not be disking
she could not be disking
we could not be disking
you could not be disking
they could not be disking	I could not have disked
you could not have disked
she could not have disked
we could not have disked
you could not have disked
they could not have disked	I could not have been disking
you could not have been disking
she could not have been disking
we could not have been disking
you could not have been disking
they could not have been disking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I disk?
could you disk?
could she disk?
could we disk?
could you disk?
could they disk? 	could I be disking?
could you be disking?
could she be disking?
could we be disking?
could you be disking?
could they be disking? 	could I have disked?
could you have disked?
could she have disked?
could we have disked?
could you have disked?
could they have disked? 	could I have been disking?
could you have been disking?
could she have been disking?
could we have been disking?
could you have been disking?
could they have been disking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not disk?
could you not disk?
could she not disk?
could we not disk?
could you not disk?
could they not disk? 	could I not be disking?
could you not be disking?
could she not be disking?
could we not be disking?
could you not be disking?
could they not be disking? 	could I not have disked?
could you not have disked?
could she not have disked?
could we not have disked?
could you not have disked?
could they not have disked? 	could I not have been disking?
could you not have been disking?
could she not have been disking?
could we not have been disking?
could you not have been disking?
could they not have been disking?