can subscribe
Regular verb: subscribe - subscribed- subscribed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can subscribe
you can subscribe
he can subscribe
we can subscribe
you can subscribe
they can subscribe 	I can be subscribing
you can be subscribing
he can be subscribing
we can be subscribing
you can be subscribing
they can be subscribing	I can have subscribed
you can have subscribed
he 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
he 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 	Perfect 	V-ing perfect 	
I can't subscribe
you can't subscribe
he can't subscribe
we can't subscribe
you can't subscribe
they can't subscribe 	I can't be subscribing
you can't be subscribing
he can't be subscribing
we can't be subscribing
you can't be subscribing
they can't be subscribing	I can't have subscribed
you can't have subscribed
he can't have subscribed
we can't have subscribed
you can't have subscribed
they can't have subscribed	I can't have been subscribing
you can't have been subscribing
he can't have been subscribing
we can't have been subscribing
you can't have been subscribing
they can't have been subscribing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I subscribe?
can you subscribe?
can he subscribe?
can we subscribe?
can you subscribe?
can they subscribe? 	can I be subscribing?
can you be subscribing?
can he be subscribing?
can we be subscribing?
can you be subscribing?
can they be subscribing? 	can I have subscribed?
can you have subscribed?
can he 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 he 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 	Perfect 	V-ing perfect 	
can't I subscribe?
can't you subscribe?
can't he subscribe?
can't we subscribe?
can't you subscribe?
can't they subscribe? 	can't I be subscribing?
can't you be subscribing?
can't he be subscribing?
can't we be subscribing?
can't you be subscribing?
can't they be subscribing? 	can't I have subscribed?
can't you have subscribed?
can't he have subscribed?
can't we have subscribed?
can't you have subscribed?
can't they have subscribed? 	can't I have been subscribing?
can't you have been subscribing?
can't he have been subscribing?
can't we have been subscribing?
can't you have been subscribing?
can't they have been subscribing?