could mute
Verbo regular: mute - muted- muted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mute
you could mute
he could mute
we could mute
you could mute
they could mute 	I could be muting
you could be muting
he could be muting
we could be muting
you could be muting
they could be muting	I could have muted
you could have muted
he could have muted
we could have muted
you could have muted
they could have muted	I could have been muting
you could have been muting
he could have been muting
we could have been muting
you could have been muting
they could have been muting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not mute
you could not mute
he could not mute
we could not mute
you could not mute
they could not mute 	I could not be muting
you could not be muting
he could not be muting
we could not be muting
you could not be muting
they could not be muting	I could not have muted
you could not have muted
he could not have muted
we could not have muted
you could not have muted
they could not have muted	I could not have been muting
you could not have been muting
he could not have been muting
we could not have been muting
you could not have been muting
they could not have been muting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mute?
could you mute?
could he mute?
could we mute?
could you mute?
could they mute? 	could I be muting?
could you be muting?
could he be muting?
could we be muting?
could you be muting?
could they be muting? 	could I have muted?
could you have muted?
could he have muted?
could we have muted?
could you have muted?
could they have muted? 	could I have been muting?
could you have been muting?
could he have been muting?
could we have been muting?
could you have been muting?
could they have been muting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not mute?
could you not mute?
could he not mute?
could we not mute?
could you not mute?
could they not mute? 	could I not be muting?
could you not be muting?
could he not be muting?
could we not be muting?
could you not be muting?
could they not be muting? 	could I not have muted?
could you not have muted?
could he not have muted?
could we not have muted?
could you not have muted?
could they not have muted? 	could I not have been muting?
could you not have been muting?
could he not have been muting?
could we not have been muting?
could you not have been muting?
could they not have been muting?