English verb conjugation
COULD UNSUBSCRIBE

Regular verb: unsubscribe - unsubscribed - unsubscribed

Affirmation

Simple form	V-ing form
I could unsubscribe you could unsubscribe he could unsubscribe we could unsubscribe you could unsubscribe they could unsubscribe	I could be unsubscribing you could be unsubscribing he could be unsubscribing we could be unsubscribing you could be unsubscribing they could be unsubscribing
Perfect	V-ing perfect
I could have unsubscribed you could have unsubscribed he could have unsubscribed we could have unsubscribed you could have unsubscribed they could have unsubscribed	I could have been unsubscribing you could have been unsubscribing he could have been unsubscribing we could have been unsubscribing you could have been unsubscribing they could have been unsubscribing

Negation

Simple form	V-ing form
I could not unsubscribe you could not unsubscribe he could not unsubscribe we could not unsubscribe you could not unsubscribe they could not unsubscribe	I could not be unsubscribing you could not be unsubscribing he could not be unsubscribing we could not be unsubscribing you could not be unsubscribing they could not be unsubscribing
Perfect	V-ing perfect
I could not have unsubscribed you could not have unsubscribed he could not have unsubscribed we could not have unsubscribed you could not have unsubscribed they could not have unsubscribed	I could not have been unsubscribing you could not have been unsubscribing he could not have been unsubscribing we could not have been unsubscribing you could not have been unsubscribing they could not have been unsubscribing

Interrogative form

Simple form	V-ing form
could I unsubscribe? could you unsubscribe? could he unsubscribe? could we unsubscribe? could you unsubscribe? could they unsubscribe?	could I be unsubscribing? could you be unsubscribing? could he be unsubscribing? could we be unsubscribing? could you be unsubscribing? could they be unsubscribing?
Perfect	V-ing perfect
could I have unsubscribed? could you have unsubscribed? could he have unsubscribed? could we have unsubscribed? could you have unsubscribed? could they have unsubscribed?	could I have been unsubscribing? could you have been unsubscribing? could he have been unsubscribing? could we have been unsubscribing? could you have been unsubscribing? could they have been unsubscribing?

Interro-negative form

Simple form	V-ing form
could I not unsubscribe? could you not unsubscribe? could he not unsubscribe? could we not unsubscribe? could you not unsubscribe? could they not unsubscribe?	could I not be unsubscribing? could you not be unsubscribing? could he not be unsubscribing? could we not be unsubscribing? could you not be unsubscribing? could they not be unsubscribing?
Perfect	V-ing perfect
could I not have unsubscribed? could you not have unsubscribed? could he not have unsubscribed? could we not have unsubscribed? could you not have unsubscribed? could they not have unsubscribed?	could I not have been unsubscribing? could you not have been unsubscribing? could he not have been unsubscribing? could we not have been unsubscribing? could you not have been unsubscribing? could they not have been unsubscribing?