English verb conjugation
COULD MARCEL

Regular verb: marcel - marceled - marceled

Affirmation

Simple form	V-ing form
I could marcel you could marcel he could marcel we could marcel you could marcel they could marcel	I could be marceling you could be marceling he 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 he 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 he 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 couldn't marcel you couldn't marcel he couldn't marcel we couldn't marcel you couldn't marcel they couldn't marcel	I couldn't be marceling you couldn't be marceling he couldn't be marceling we couldn't be marceling you couldn't be marceling they couldn't be marceling
Perfect	V-ing perfect
I couldn't have marceled you couldn't have marceled he couldn't have marceled we couldn't have marceled you couldn't have marceled they couldn't have marceled	I couldn't have been marceling you couldn't have been marceling he couldn't have been marceling we couldn't have been marceling you couldn't have been marceling they couldn't have been marceling

Interrogative form

Simple form	V-ing form
could I marcel? could you marcel? could he marcel? could we marcel? could you marcel? could they marcel?	could I be marceling? could you be marceling? could he 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 he 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 he 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
couldn't I marcel? couldn't you marcel? couldn't he marcel? couldn't we marcel? couldn't you marcel? couldn't they marcel?	couldn't I be marceling? couldn't you be marceling? couldn't he be marceling? couldn't we be marceling? couldn't you be marceling? couldn't they be marceling?
Perfect	V-ing perfect
couldn't I have marceled? couldn't you have marceled? couldn't he have marceled? couldn't we have marceled? couldn't you have marceled? couldn't they have marceled?	couldn't I have been marceling? couldn't you have been marceling? couldn't he have been marceling? couldn't we have been marceling? couldn't you have been marceling? couldn't they have been marceling?