English verb conjugation
COULD MARCEL

Regular verb: marcel - marceled - marceled

Affirmation

Simple form	V-ing form
I could marcel you could marcel she could marcel we could marcel you could marcel they could marcel	I could be marceling you could be marceling she could be marceling we could be marceling you could be marceling they could be marceling
Perfect	V-ing perfect
I could have marceled you could have marceled she could have marceled we could have marceled you could have marceled they could have marceled	I could have been marceling you could have been marceling she could have been marceling we could have been marceling you could have been marceling they could have been marceling

Negation

Simple form	V-ing form
I could not marcel you could not marcel she could not marcel we could not marcel you could not marcel they could not marcel	I could not be marceling you could not be marceling she could not be marceling we could not be marceling you could not be marceling they could not be marceling
Perfect	V-ing perfect
I could not have marceled you could not have marceled she could not have marceled we could not have marceled you could not have marceled they could not have marceled	I could not have been marceling you could not have been marceling she could not have been marceling we could not have been marceling you could not have been marceling they could not have been marceling

Interrogative form

Simple form	V-ing form
could I marcel? could you marcel? could she marcel? could we marcel? could you marcel? could they marcel?	could I be marceling? could you be marceling? could she be marceling? could we be marceling? could you be marceling? could they be marceling?
Perfect	V-ing perfect
could I have marceled? could you have marceled? could she have marceled? could we have marceled? could you have marceled? could they have marceled?	could I have been marceling? could you have been marceling? could she have been marceling? could we have been marceling? could you have been marceling? could they have been marceling?

Interro-negative form

Simple form	V-ing form
could I not marcel? could you not marcel? could she not marcel? could we not marcel? could you not marcel? could they not marcel?	could I not be marceling? could you not be marceling? could she not be marceling? could we not be marceling? could you not be marceling? could they not be marceling?
Perfect	V-ing perfect
could I not have marceled? could you not have marceled? could she not have marceled? could we not have marceled? could you not have marceled? could they not have marceled?	could I not have been marceling? could you not have been marceling? could she not have been marceling? could we not have been marceling? could you not have been marceling? could they not have been marceling?