could mutter
Verbe régulier : mutter - muttered- muttered
Traduction française : marmonner 

Affirmation 	
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I could mutter
you could mutter
he could mutter
we could mutter
you could mutter
they could mutter 	I could be muttering
you could be muttering
he could be muttering
we could be muttering
you could be muttering
they could be muttering	I could have muttered
you could have muttered
he could have muttered
we could have muttered
you could have muttered
they could have muttered	I could have been muttering
you could have been muttering
he could have been muttering
we could have been muttering
you could have been muttering
they could have been muttering	

Négation 	
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I couldn't mutter
you couldn't mutter
he couldn't mutter
we couldn't mutter
you couldn't mutter
they couldn't mutter 	I couldn't be muttering
you couldn't be muttering
he couldn't be muttering
we couldn't be muttering
you couldn't be muttering
they couldn't be muttering	I couldn't have muttered
you couldn't have muttered
he couldn't have muttered
we couldn't have muttered
you couldn't have muttered
they couldn't have muttered	I couldn't have been muttering
you couldn't have been muttering
he couldn't have been muttering
we couldn't have been muttering
you couldn't have been muttering
they couldn't have been muttering	

Forme interrogative 	
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could I mutter?
could you mutter?
could he mutter?
could we mutter?
could you mutter?
could they mutter? 	could I be muttering?
could you be muttering?
could he be muttering?
could we be muttering?
could you be muttering?
could they be muttering? 	could I have muttered?
could you have muttered?
could he have muttered?
could we have muttered?
could you have muttered?
could they have muttered? 	could I have been muttering?
could you have been muttering?
could he have been muttering?
could we have been muttering?
could you have been muttering?
could they have been muttering? 	

Forme interro-négative 	
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couldn't I mutter?
couldn't you mutter?
couldn't he mutter?
couldn't we mutter?
couldn't you mutter?
couldn't they mutter? 	couldn't I be muttering?
couldn't you be muttering?
couldn't he be muttering?
couldn't we be muttering?
couldn't you be muttering?
couldn't they be muttering? 	couldn't I have muttered?
couldn't you have muttered?
couldn't he have muttered?
couldn't we have muttered?
couldn't you have muttered?
couldn't they have muttered? 	couldn't I have been muttering?
couldn't you have been muttering?
couldn't he have been muttering?
couldn't we have been muttering?
couldn't you have been muttering?
couldn't they have been muttering?