can muffle
Verbo regular: muffle - muffled- muffled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can muffle
you can muffle
he can muffle
we can muffle
you can muffle
they can muffle 	I can be muffling
you can be muffling
he can be muffling
we can be muffling
you can be muffling
they can be muffling	I can have muffled
you can have muffled
he can have muffled
we can have muffled
you can have muffled
they can have muffled	I can have been muffling
you can have been muffling
he can have been muffling
we can have been muffling
you can have been muffling
they can have been muffling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot muffle
you cannot muffle
he cannot muffle
we cannot muffle
you cannot muffle
they cannot muffle 	I cannot be muffling
you cannot be muffling
he cannot be muffling
we cannot be muffling
you cannot be muffling
they cannot be muffling	I cannot have muffled
you cannot have muffled
he cannot have muffled
we cannot have muffled
you cannot have muffled
they cannot have muffled	I cannot have been muffling
you cannot have been muffling
he cannot have been muffling
we cannot have been muffling
you cannot have been muffling
they cannot have been muffling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I muffle?
can you muffle?
can he muffle?
can we muffle?
can you muffle?
can they muffle? 	can I be muffling?
can you be muffling?
can he be muffling?
can we be muffling?
can you be muffling?
can they be muffling? 	can I have muffled?
can you have muffled?
can he have muffled?
can we have muffled?
can you have muffled?
can they have muffled? 	can I have been muffling?
can you have been muffling?
can he have been muffling?
can we have been muffling?
can you have been muffling?
can they have been muffling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not muffle?
can you not muffle?
can he not muffle?
can we not muffle?
can you not muffle?
can they not muffle? 	can I not be muffling?
can you not be muffling?
can he not be muffling?
can we not be muffling?
can you not be muffling?
can they not be muffling? 	can I not have muffled?
can you not have muffled?
can he not have muffled?
can we not have muffled?
can you not have muffled?
can they not have muffled? 	can I not have been muffling?
can you not have been muffling?
can he not have been muffling?
can we not have been muffling?
can you not have been muffling?
can they not have been muffling?