should mute
Regular verb: mute - muted- muted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd mute
you'd mute
he'd mute
we'd mute
you'd mute
they'd mute 	I'd be muting
you'd be muting
he'd be muting
we'd be muting
you'd be muting
they'd be muting	I should've muted
you should've muted
he should've muted
we should've muted
you should've muted
they should've muted	I should've been muting
you should've been muting
he should've been muting
we should've been muting
you should've been muting
they should've been muting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't mute
you shouldn't mute
he shouldn't mute
we shouldn't mute
you shouldn't mute
they shouldn't mute 	I shouldn't be muting
you shouldn't be muting
he shouldn't be muting
we shouldn't be muting
you shouldn't be muting
they shouldn't be muting	I shouldn't have muted
you shouldn't have muted
he shouldn't have muted
we shouldn't have muted
you shouldn't have muted
they shouldn't have muted	I shouldn't have been muting
you shouldn't have been muting
he shouldn't have been muting
we shouldn't have been muting
you shouldn't have been muting
they shouldn't have been muting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I mute?
should you mute?
should he mute?
should we mute?
should you mute?
should they mute? 	should I be muting?
should you be muting?
should he be muting?
should we be muting?
should you be muting?
should they be muting? 	should I have muted?
should you have muted?
should he have muted?
should we have muted?
should you have muted?
should they have muted? 	should I have been muting?
should you have been muting?
should he have been muting?
should we have been muting?
should you have been muting?
should they have been muting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I mute?
shouldn't you mute?
shouldn't he mute?
shouldn't we mute?
shouldn't you mute?
shouldn't they mute? 	shouldn't I be muting?
shouldn't you be muting?
shouldn't he be muting?
shouldn't we be muting?
shouldn't you be muting?
shouldn't they be muting? 	shouldn't I have muted?
shouldn't you have muted?
shouldn't he have muted?
shouldn't we have muted?
shouldn't you have muted?
shouldn't they have muted? 	shouldn't I have been muting?
shouldn't you have been muting?
shouldn't he have been muting?
shouldn't we have been muting?
shouldn't you have been muting?
shouldn't they have been muting?