English verb conjugation
CAN POTTER

Regular verb: potter - pottered - pottered

Affirmation

Simple form	V-ing form
I can potter you can potter he can potter we can potter you can potter they can potter	I can be pottering you can be pottering he can be pottering we can be pottering you can be pottering they can be pottering
Perfect	V-ing perfect
I can have pottered you can have pottered he can have pottered we can have pottered you can have pottered they can have pottered	I can have been pottering you can have been pottering he can have been pottering we can have been pottering you can have been pottering they can have been pottering

Negation

Simple form	V-ing form
I can't potter you can't potter he can't potter we can't potter you can't potter they can't potter	I can't be pottering you can't be pottering he can't be pottering we can't be pottering you can't be pottering they can't be pottering
Perfect	V-ing perfect
I can't have pottered you can't have pottered he can't have pottered we can't have pottered you can't have pottered they can't have pottered	I can't have been pottering you can't have been pottering he can't have been pottering we can't have been pottering you can't have been pottering they can't have been pottering

Interrogative form

Simple form	V-ing form
can I potter? can you potter? can he potter? can we potter? can you potter? can they potter?	can I be pottering? can you be pottering? can he be pottering? can we be pottering? can you be pottering? can they be pottering?
Perfect	V-ing perfect
can I have pottered? can you have pottered? can he have pottered? can we have pottered? can you have pottered? can they have pottered?	can I have been pottering? can you have been pottering? can he have been pottering? can we have been pottering? can you have been pottering? can they have been pottering?

Interro-negative form

Simple form	V-ing form
can't I potter? can't you potter? can't he potter? can't we potter? can't you potter? can't they potter?	can't I be pottering? can't you be pottering? can't he be pottering? can't we be pottering? can't you be pottering? can't they be pottering?
Perfect	V-ing perfect
can't I have pottered? can't you have pottered? can't he have pottered? can't we have pottered? can't you have pottered? can't they have pottered?	can't I have been pottering? can't you have been pottering? can't he have been pottering? can't we have been pottering? can't you have been pottering? can't they have been pottering?