would mutter
Regular verb: mutter - muttered- muttered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd mutter
you'd mutter
he'd mutter
we'd mutter
you'd mutter
they'd mutter 	I'd be muttering
you'd be muttering
he'd be muttering
we'd be muttering
you'd be muttering
they'd be muttering	I would've muttered
you would've muttered
he would've muttered
we would've muttered
you would've muttered
they would've muttered	I would've been muttering
you would've been muttering
he would've been muttering
we would've been muttering
you would've been muttering
they would've been muttering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't mutter
you wouldn't mutter
he wouldn't mutter
we wouldn't mutter
you wouldn't mutter
they wouldn't mutter 	I wouldn't be muttering
you wouldn't be muttering
he wouldn't be muttering
we wouldn't be muttering
you wouldn't be muttering
they wouldn't be muttering	I wouldn't have muttered
you wouldn't have muttered
he wouldn't have muttered
we wouldn't have muttered
you wouldn't have muttered
they wouldn't have muttered	I wouldn't have been muttering
you wouldn't have been muttering
he wouldn't have been muttering
we wouldn't have been muttering
you wouldn't have been muttering
they wouldn't have been muttering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I mutter?
would you mutter?
would he mutter?
would we mutter?
would you mutter?
would they mutter? 	would I be muttering?
would you be muttering?
would he be muttering?
would we be muttering?
would you be muttering?
would they be muttering? 	would I have muttered?
would you have muttered?
would he have muttered?
would we have muttered?
would you have muttered?
would they have muttered? 	would I have been muttering?
would you have been muttering?
would he have been muttering?
would we have been muttering?
would you have been muttering?
would they have been muttering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I mutter?
wouldn't you mutter?
wouldn't he mutter?
wouldn't we mutter?
wouldn't you mutter?
wouldn't they mutter? 	wouldn't I be muttering?
wouldn't you be muttering?
wouldn't he be muttering?
wouldn't we be muttering?
wouldn't you be muttering?
wouldn't they be muttering? 	wouldn't I have muttered?
wouldn't you have muttered?
wouldn't he have muttered?
wouldn't we have muttered?
wouldn't you have muttered?
wouldn't they have muttered? 	wouldn't I have been muttering?
wouldn't you have been muttering?
wouldn't he have been muttering?
wouldn't we have been muttering?
wouldn't you have been muttering?
wouldn't they have been muttering?