English verb conjugation
CAN PUG

Regular verb: pug - pugged - pugged

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?