could unsubscribe
Verbo regular: unsubscribe - unsubscribed- unsubscribed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't unsubscribe
you couldn't unsubscribe
he couldn't unsubscribe
we couldn't unsubscribe
you couldn't unsubscribe
they couldn't unsubscribe 	I couldn't be unsubscribing
you couldn't be unsubscribing
he couldn't be unsubscribing
we couldn't be unsubscribing
you couldn't be unsubscribing
they couldn't be unsubscribing	I couldn't have unsubscribed
you couldn't have unsubscribed
he couldn't have unsubscribed
we couldn't have unsubscribed
you couldn't have unsubscribed
they couldn't have unsubscribed	I couldn't have been unsubscribing
you couldn't have been unsubscribing
he couldn't have been unsubscribing
we couldn't have been unsubscribing
you couldn't have been unsubscribing
they couldn't have been unsubscribing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I unsubscribe?
couldn't you unsubscribe?
couldn't he unsubscribe?
couldn't we unsubscribe?
couldn't you unsubscribe?
couldn't they unsubscribe? 	couldn't I be unsubscribing?
couldn't you be unsubscribing?
couldn't he be unsubscribing?
couldn't we be unsubscribing?
couldn't you be unsubscribing?
couldn't they be unsubscribing? 	couldn't I have unsubscribed?
couldn't you have unsubscribed?
couldn't he have unsubscribed?
couldn't we have unsubscribed?
couldn't you have unsubscribed?
couldn't they have unsubscribed? 	couldn't I have been unsubscribing?
couldn't you have been unsubscribing?
couldn't he have been unsubscribing?
couldn't we have been unsubscribing?
couldn't you have been unsubscribing?
couldn't they have been unsubscribing?