English verb conjugation
CAN MUG

Regular verb: mug - mugged - mugged

Affirmation

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