Conjugación del verbo inglés
COULD SUBSCRIBE

Verbo regular: subscribe - subscribed - subscribed

Afirmación

Forma simple	Forma con V-ing
I could subscribe you could subscribe he could subscribe we could subscribe you could subscribe they could subscribe	I could be subscribing you could be subscribing he could be subscribing we could be subscribing you could be subscribing they could be subscribing
Perfecto	Perfecto con V-ing
I could have subscribed you could have subscribed he 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 he 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
I couldn't subscribe you couldn't subscribe he couldn't subscribe we couldn't subscribe you couldn't subscribe they couldn't subscribe	I couldn't be subscribing you couldn't be subscribing he couldn't be subscribing we couldn't be subscribing you couldn't be subscribing they couldn't be subscribing
Perfecto	Perfecto con V-ing
I couldn't have subscribed you couldn't have subscribed he couldn't have subscribed we couldn't have subscribed you couldn't have subscribed they couldn't have subscribed	I couldn't have been subscribing you couldn't have been subscribing he couldn't have been subscribing we couldn't have been subscribing you couldn't have been subscribing they couldn't have been subscribing

Forma interrogativa

Forma simple	Forma con V-ing
could I subscribe? could you subscribe? could he subscribe? could we subscribe? could you subscribe? could they subscribe?	could I be subscribing? could you be subscribing? could he be subscribing? could we be subscribing? could you be subscribing? could they be subscribing?
Perfecto	Perfecto con V-ing
could I have subscribed? could you have subscribed? could he 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 he 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
couldn't I subscribe? couldn't you subscribe? couldn't he subscribe? couldn't we subscribe? couldn't you subscribe? couldn't they subscribe?	couldn't I be subscribing? couldn't you be subscribing? couldn't he be subscribing? couldn't we be subscribing? couldn't you be subscribing? couldn't they be subscribing?
Perfecto	Perfecto con V-ing
couldn't I have subscribed? couldn't you have subscribed? couldn't he have subscribed? couldn't we have subscribed? couldn't you have subscribed? couldn't they have subscribed?	couldn't I have been subscribing? couldn't you have been subscribing? couldn't he have been subscribing? couldn't we have been subscribing? couldn't you have been subscribing? couldn't they have been subscribing?