English verb conjugation
CAN CUPEL

Regular verb: cupel - cupeled - cupeled

Affirmation

Simple form	V-ing form
I can cupel you can cupel he can cupel we can cupel you can cupel they can cupel	I can be cupeling you can be cupeling he can be cupeling we can be cupeling you can be cupeling they can be cupeling
Perfect	V-ing perfect
I can have cupeled you can have cupeled he can have cupeled we can have cupeled you can have cupeled they can have cupeled	I can have been cupeling you can have been cupeling he can have been cupeling we can have been cupeling you can have been cupeling they can have been cupeling

Negation

Simple form	V-ing form
I can't cupel you can't cupel he can't cupel we can't cupel you can't cupel they can't cupel	I can't be cupeling you can't be cupeling he can't be cupeling we can't be cupeling you can't be cupeling they can't be cupeling
Perfect	V-ing perfect
I can't have cupeled you can't have cupeled he can't have cupeled we can't have cupeled you can't have cupeled they can't have cupeled	I can't have been cupeling you can't have been cupeling he can't have been cupeling we can't have been cupeling you can't have been cupeling they can't have been cupeling

Interrogative form

Simple form	V-ing form
can I cupel? can you cupel? can he cupel? can we cupel? can you cupel? can they cupel?	can I be cupeling? can you be cupeling? can he be cupeling? can we be cupeling? can you be cupeling? can they be cupeling?
Perfect	V-ing perfect
can I have cupeled? can you have cupeled? can he have cupeled? can we have cupeled? can you have cupeled? can they have cupeled?	can I have been cupeling? can you have been cupeling? can he have been cupeling? can we have been cupeling? can you have been cupeling? can they have been cupeling?

Interro-negative form

Simple form	V-ing form
can't I cupel? can't you cupel? can't he cupel? can't we cupel? can't you cupel? can't they cupel?	can't I be cupeling? can't you be cupeling? can't he be cupeling? can't we be cupeling? can't you be cupeling? can't they be cupeling?
Perfect	V-ing perfect
can't I have cupeled? can't you have cupeled? can't he have cupeled? can't we have cupeled? can't you have cupeled? can't they have cupeled?	can't I have been cupeling? can't you have been cupeling? can't he have been cupeling? can't we have been cupeling? can't you have been cupeling? can't they have been cupeling?