could unplug
Verbo regular: unplug - unplugged- unplugged

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could unplug
you could unplug
she could unplug
we could unplug
you could unplug
they could unplug 	I could be unplugging
you could be unplugging
she could be unplugging
we could be unplugging
you could be unplugging
they could be unplugging	I could have unplugged
you could have unplugged
she could have unplugged
we could have unplugged
you could have unplugged
they could have unplugged	I could have been unplugging
you could have been unplugging
she could have been unplugging
we could have been unplugging
you could have been unplugging
they could have been unplugging	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not unplug
you could not unplug
she could not unplug
we could not unplug
you could not unplug
they could not unplug 	I could not be unplugging
you could not be unplugging
she could not be unplugging
we could not be unplugging
you could not be unplugging
they could not be unplugging	I could not have unplugged
you could not have unplugged
she could not have unplugged
we could not have unplugged
you could not have unplugged
they could not have unplugged	I could not have been unplugging
you could not have been unplugging
she could not have been unplugging
we could not have been unplugging
you could not have been unplugging
they could not have been unplugging	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I unplug?
could you unplug?
could she unplug?
could we unplug?
could you unplug?
could they unplug? 	could I be unplugging?
could you be unplugging?
could she be unplugging?
could we be unplugging?
could you be unplugging?
could they be unplugging? 	could I have unplugged?
could you have unplugged?
could she have unplugged?
could we have unplugged?
could you have unplugged?
could they have unplugged? 	could I have been unplugging?
could you have been unplugging?
could she have been unplugging?
could we have been unplugging?
could you have been unplugging?
could they have been unplugging? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not unplug?
could you not unplug?
could she not unplug?
could we not unplug?
could you not unplug?
could they not unplug? 	could I not be unplugging?
could you not be unplugging?
could she not be unplugging?
could we not be unplugging?
could you not be unplugging?
could they not be unplugging? 	could I not have unplugged?
could you not have unplugged?
could she not have unplugged?
could we not have unplugged?
could you not have unplugged?
could they not have unplugged? 	could I not have been unplugging?
could you not have been unplugging?
could she not have been unplugging?
could we not have been unplugging?
could you not have been unplugging?
could they not have been unplugging?