can pug
Regular verb: pug - pugged- pugged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can pug
you can pug
he can pug
we can pug
you can pug
they can pug 	I can be pugging
you can be pugging
he can be pugging
we can be pugging
you can be pugging
they can be pugging	I can have pugged
you can have pugged
he can have pugged
we can have pugged
you can have pugged
they can have pugged	I can have been pugging
you can have been pugging
he can have been pugging
we can have been pugging
you can have been pugging
they can have been pugging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't pug
you can't pug
he can't pug
we can't pug
you can't pug
they can't pug 	I can't be pugging
you can't be pugging
he can't be pugging
we can't be pugging
you can't be pugging
they can't be pugging	I can't have pugged
you can't have pugged
he can't have pugged
we can't have pugged
you can't have pugged
they can't have pugged	I can't have been pugging
you can't have been pugging
he can't have been pugging
we can't have been pugging
you can't have been pugging
they can't have been pugging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I pug?
can you pug?
can he pug?
can we pug?
can you pug?
can they pug? 	can I be pugging?
can you be pugging?
can he be pugging?
can we be pugging?
can you be pugging?
can they be pugging? 	can I have pugged?
can you have pugged?
can he have pugged?
can we have pugged?
can you have pugged?
can they have pugged? 	can I have been pugging?
can you have been pugging?
can he have been pugging?
can we have been pugging?
can you have been pugging?
can they have been pugging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I pug?
can't you pug?
can't he pug?
can't we pug?
can't you pug?
can't they pug? 	can't I be pugging?
can't you be pugging?
can't he be pugging?
can't we be pugging?
can't you be pugging?
can't they be pugging? 	can't I have pugged?
can't you have pugged?
can't he have pugged?
can't we have pugged?
can't you have pugged?
can't they have pugged? 	can't I have been pugging?
can't you have been pugging?
can't he have been pugging?
can't we have been pugging?
can't you have been pugging?
can't they have been pugging?