English verb conjugation
CAN SUBSCRIBE

Regular verb: subscribe - subscribed - subscribed

Affirmation

Simple form	V-ing form
I can subscribe you can subscribe she can subscribe we can subscribe you can subscribe they can subscribe	I can be subscribing you can be subscribing she can be subscribing we can be subscribing you can be subscribing they can be subscribing
Perfect	V-ing perfect
I can have subscribed you can have subscribed she can have subscribed we can have subscribed you can have subscribed they can have subscribed	I can have been subscribing you can have been subscribing she can have been subscribing we can have been subscribing you can have been subscribing they can have been subscribing

Negation

Simple form	V-ing form
I cannot subscribe you cannot subscribe she cannot subscribe we cannot subscribe you cannot subscribe they cannot subscribe	I cannot be subscribing you cannot be subscribing she cannot be subscribing we cannot be subscribing you cannot be subscribing they cannot be subscribing
Perfect	V-ing perfect
I cannot have subscribed you cannot have subscribed she cannot have subscribed we cannot have subscribed you cannot have subscribed they cannot have subscribed	I cannot have been subscribing you cannot have been subscribing she cannot have been subscribing we cannot have been subscribing you cannot have been subscribing they cannot have been subscribing

Interrogative form

Simple form	V-ing form
can I subscribe? can you subscribe? can she subscribe? can we subscribe? can you subscribe? can they subscribe?	can I be subscribing? can you be subscribing? can she be subscribing? can we be subscribing? can you be subscribing? can they be subscribing?
Perfect	V-ing perfect
can I have subscribed? can you have subscribed? can she have subscribed? can we have subscribed? can you have subscribed? can they have subscribed?	can I have been subscribing? can you have been subscribing? can she have been subscribing? can we have been subscribing? can you have been subscribing? can they have been subscribing?

Interro-negative form

Simple form	V-ing form
can I not subscribe? can you not subscribe? can she not subscribe? can we not subscribe? can you not subscribe? can they not subscribe?	can I not be subscribing? can you not be subscribing? can she not be subscribing? can we not be subscribing? can you not be subscribing? can they not be subscribing?
Perfect	V-ing perfect
can I not have subscribed? can you not have subscribed? can she not have subscribed? can we not have subscribed? can you not have subscribed? can they not have subscribed?	can I not have been subscribing? can you not have been subscribing? can she not have been subscribing? can we not have been subscribing? can you not have been subscribing? can they not have been subscribing?