can mug
Regular verb: mug - mugged- mugged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can mug
you can mug
she can mug
we can mug
you can mug
they can mug 	I can be mugging
you can be mugging
she can be mugging
we can be mugging
you can be mugging
they can be mugging	I can have mugged
you can have mugged
she can have mugged
we can have mugged
you can have mugged
they can have mugged	I can have been mugging
you can have been mugging
she can have been mugging
we can have been mugging
you can have been mugging
they can have been mugging	

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

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

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