English verb conjugation
COULD CUPEL

Regular verb: cupel - cupeled - cupeled

Affirmation

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

Negation

Simple form	V-ing form
I could not cupel you could not cupel she could not cupel we could not cupel you could not cupel they could not cupel	I could not be cupeling you could not be cupeling she could not be cupeling we could not be cupeling you could not be cupeling they could not be cupeling
Perfect	V-ing perfect
I could not have cupeled you could not have cupeled she could not have cupeled we could not have cupeled you could not have cupeled they could not have cupeled	I could not have been cupeling you could not have been cupeling she could not have been cupeling we could not have been cupeling you could not have been cupeling they could not have been cupeling

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not cupel? could you not cupel? could she not cupel? could we not cupel? could you not cupel? could they not cupel?	could I not be cupeling? could you not be cupeling? could she not be cupeling? could we not be cupeling? could you not be cupeling? could they not be cupeling?
Perfect	V-ing perfect
could I not have cupeled? could you not have cupeled? could she not have cupeled? could we not have cupeled? could you not have cupeled? could they not have cupeled?	could I not have been cupeling? could you not have been cupeling? could she not have been cupeling? could we not have been cupeling? could you not have been cupeling? could they not have been cupeling?