can mutter
Verbo regolare: mutter - muttered- muttered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can mutter
you can mutter
he can mutter
we can mutter
you can mutter
they can mutter 	I can be muttering
you can be muttering
he can be muttering
we can be muttering
you can be muttering
they can be muttering	I can have muttered
you can have muttered
he can have muttered
we can have muttered
you can have muttered
they can have muttered	I can have been muttering
you can have been muttering
he can have been muttering
we can have been muttering
you can have been muttering
they can have been muttering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I can't mutter
you can't mutter
he can't mutter
we can't mutter
you can't mutter
they can't mutter 	I can't be muttering
you can't be muttering
he can't be muttering
we can't be muttering
you can't be muttering
they can't be muttering	I can't have muttered
you can't have muttered
he can't have muttered
we can't have muttered
you can't have muttered
they can't have muttered	I can't have been muttering
you can't have been muttering
he can't have been muttering
we can't have been muttering
you can't have been muttering
they can't have been muttering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can I mutter?
can you mutter?
can he mutter?
can we mutter?
can you mutter?
can they mutter? 	can I be muttering?
can you be muttering?
can he be muttering?
can we be muttering?
can you be muttering?
can they be muttering? 	can I have muttered?
can you have muttered?
can he have muttered?
can we have muttered?
can you have muttered?
can they have muttered? 	can I have been muttering?
can you have been muttering?
can he have been muttering?
can we have been muttering?
can you have been muttering?
can they have been muttering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
can't I mutter?
can't you mutter?
can't he mutter?
can't we mutter?
can't you mutter?
can't they mutter? 	can't I be muttering?
can't you be muttering?
can't he be muttering?
can't we be muttering?
can't you be muttering?
can't they be muttering? 	can't I have muttered?
can't you have muttered?
can't he have muttered?
can't we have muttered?
can't you have muttered?
can't they have muttered? 	can't I have been muttering?
can't you have been muttering?
can't he have been muttering?
can't we have been muttering?
can't you have been muttering?
can't they have been muttering?