could muffle
Verbo regular: muffle - muffled- muffled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could muffle
you could muffle
she could muffle
we could muffle
you could muffle
they could muffle 	I could be muffling
you could be muffling
she could be muffling
we could be muffling
you could be muffling
they could be muffling	I could have muffled
you could have muffled
she could have muffled
we could have muffled
you could have muffled
they could have muffled	I could have been muffling
you could have been muffling
she could have been muffling
we could have been muffling
you could have been muffling
they could have been muffling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not muffle
you could not muffle
she could not muffle
we could not muffle
you could not muffle
they could not muffle 	I could not be muffling
you could not be muffling
she could not be muffling
we could not be muffling
you could not be muffling
they could not be muffling	I could not have muffled
you could not have muffled
she could not have muffled
we could not have muffled
you could not have muffled
they could not have muffled	I could not have been muffling
you could not have been muffling
she could not have been muffling
we could not have been muffling
you could not have been muffling
they could not have been muffling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I muffle?
could you muffle?
could she muffle?
could we muffle?
could you muffle?
could they muffle? 	could I be muffling?
could you be muffling?
could she be muffling?
could we be muffling?
could you be muffling?
could they be muffling? 	could I have muffled?
could you have muffled?
could she have muffled?
could we have muffled?
could you have muffled?
could they have muffled? 	could I have been muffling?
could you have been muffling?
could she have been muffling?
could we have been muffling?
could you have been muffling?
could they have been muffling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not muffle?
could you not muffle?
could she not muffle?
could we not muffle?
could you not muffle?
could they not muffle? 	could I not be muffling?
could you not be muffling?
could she not be muffling?
could we not be muffling?
could you not be muffling?
could they not be muffling? 	could I not have muffled?
could you not have muffled?
could she not have muffled?
could we not have muffled?
could you not have muffled?
could they not have muffled? 	could I not have been muffling?
could you not have been muffling?
could she not have been muffling?
could we not have been muffling?
could you not have been muffling?
could they not have been muffling?