could muffle
Verbe régulier : muffle - muffled- muffled
Traduction française : étouffer - assourdir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could muffle
you could muffle
he could muffle
we could muffle
you could muffle
they could muffle 	I could be muffling
you could be muffling
he could be muffling
we could be muffling
you could be muffling
they could be muffling	I could have muffled
you could have muffled
he 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
he could have been muffling
we could have been muffling
you could have been muffling
they could have been muffling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not muffle
you could not muffle
he 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
he 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
he 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
he could not have been muffling
we could not have been muffling
you could not have been muffling
they could not have been muffling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I muffle?
could you muffle?
could he muffle?
could we muffle?
could you muffle?
could they muffle? 	could I be muffling?
could you be muffling?
could he be muffling?
could we be muffling?
could you be muffling?
could they be muffling? 	could I have muffled?
could you have muffled?
could he 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 he have been muffling?
could we have been muffling?
could you have been muffling?
could they have been muffling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not muffle?
could you not muffle?
could he 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 he 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 he 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 he not have been muffling?
could we not have been muffling?
could you not have been muffling?
could they not have been muffling?