should mug
Regular verb: mug - mugged- mugged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd mug
you'd mug
she'd mug
we'd mug
you'd mug
they'd mug 	I'd be mugging
you'd be mugging
she'd be mugging
we'd be mugging
you'd be mugging
they'd be mugging	I should've mugged
you should've mugged
she should've mugged
we should've mugged
you should've mugged
they should've mugged	I should've been mugging
you should've been mugging
she should've been mugging
we should've been mugging
you should've been mugging
they should've been mugging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't mug
you shouldn't mug
she shouldn't mug
we shouldn't mug
you shouldn't mug
they shouldn't mug 	I shouldn't be mugging
you shouldn't be mugging
she shouldn't be mugging
we shouldn't be mugging
you shouldn't be mugging
they shouldn't be mugging	I shouldn't have mugged
you shouldn't have mugged
she shouldn't have mugged
we shouldn't have mugged
you shouldn't have mugged
they shouldn't have mugged	I shouldn't have been mugging
you shouldn't have been mugging
she shouldn't have been mugging
we shouldn't have been mugging
you shouldn't have been mugging
they shouldn't have been mugging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I mug?
should you mug?
should she mug?
should we mug?
should you mug?
should they mug? 	should I be mugging?
should you be mugging?
should she be mugging?
should we be mugging?
should you be mugging?
should they be mugging? 	should I have mugged?
should you have mugged?
should she have mugged?
should we have mugged?
should you have mugged?
should they have mugged? 	should I have been mugging?
should you have been mugging?
should she have been mugging?
should we have been mugging?
should you have been mugging?
should they have been mugging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I mug?
shouldn't you mug?
shouldn't she mug?
shouldn't we mug?
shouldn't you mug?
shouldn't they mug? 	shouldn't I be mugging?
shouldn't you be mugging?
shouldn't she be mugging?
shouldn't we be mugging?
shouldn't you be mugging?
shouldn't they be mugging? 	shouldn't I have mugged?
shouldn't you have mugged?
shouldn't she have mugged?
shouldn't we have mugged?
shouldn't you have mugged?
shouldn't they have mugged? 	shouldn't I have been mugging?
shouldn't you have been mugging?
shouldn't she have been mugging?
shouldn't we have been mugging?
shouldn't you have been mugging?
shouldn't they have been mugging?