could subscribe
Verbo regular: subscribe - subscribed- subscribed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could subscribe
you could subscribe
she could subscribe
we could subscribe
you could subscribe
they could subscribe 	I could be subscribing
you could be subscribing
she could be subscribing
we could be subscribing
you could be subscribing
they could be subscribing	I could have subscribed
you could have subscribed
she could have subscribed
we could have subscribed
you could have subscribed
they could have subscribed	I could have been subscribing
you could have been subscribing
she could have been subscribing
we could have been subscribing
you could have been subscribing
they could have been subscribing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not subscribe
you could not subscribe
she could not subscribe
we could not subscribe
you could not subscribe
they could not subscribe 	I could not be subscribing
you could not be subscribing
she could not be subscribing
we could not be subscribing
you could not be subscribing
they could not be subscribing	I could not have subscribed
you could not have subscribed
she could not have subscribed
we could not have subscribed
you could not have subscribed
they could not have subscribed	I could not have been subscribing
you could not have been subscribing
she could not have been subscribing
we could not have been subscribing
you could not have been subscribing
they could not have been subscribing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I subscribe?
could you subscribe?
could she subscribe?
could we subscribe?
could you subscribe?
could they subscribe? 	could I be subscribing?
could you be subscribing?
could she be subscribing?
could we be subscribing?
could you be subscribing?
could they be subscribing? 	could I have subscribed?
could you have subscribed?
could she have subscribed?
could we have subscribed?
could you have subscribed?
could they have subscribed? 	could I have been subscribing?
could you have been subscribing?
could she have been subscribing?
could we have been subscribing?
could you have been subscribing?
could they have been subscribing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not subscribe?
could you not subscribe?
could she not subscribe?
could we not subscribe?
could you not subscribe?
could they not subscribe? 	could I not be subscribing?
could you not be subscribing?
could she not be subscribing?
could we not be subscribing?
could you not be subscribing?
could they not be subscribing? 	could I not have subscribed?
could you not have subscribed?
could she not have subscribed?
could we not have subscribed?
could you not have subscribed?
could they not have subscribed? 	could I not have been subscribing?
could you not have been subscribing?
could she not have been subscribing?
could we not have been subscribing?
could you not have been subscribing?
could they not have been subscribing?