English verb conjugation
COULD COKE

Regular verb: coke - coked - coked

Affirmation

Simple form	V-ing form
I could coke you could coke he could coke we could coke you could coke they could coke	I could be coking you could be coking he could be coking we could be coking you could be coking they could be coking
Perfect	V-ing perfect
I could have coked you could have coked he could have coked we could have coked you could have coked they could have coked	I could have been coking you could have been coking he could have been coking we could have been coking you could have been coking they could have been coking

Negation

Simple form	V-ing form
I couldn't coke you couldn't coke he couldn't coke we couldn't coke you couldn't coke they couldn't coke	I couldn't be coking you couldn't be coking he couldn't be coking we couldn't be coking you couldn't be coking they couldn't be coking
Perfect	V-ing perfect
I couldn't have coked you couldn't have coked he couldn't have coked we couldn't have coked you couldn't have coked they couldn't have coked	I couldn't have been coking you couldn't have been coking he couldn't have been coking we couldn't have been coking you couldn't have been coking they couldn't have been coking

Interrogative form

Simple form	V-ing form
could I coke? could you coke? could he coke? could we coke? could you coke? could they coke?	could I be coking? could you be coking? could he be coking? could we be coking? could you be coking? could they be coking?
Perfect	V-ing perfect
could I have coked? could you have coked? could he have coked? could we have coked? could you have coked? could they have coked?	could I have been coking? could you have been coking? could he have been coking? could we have been coking? could you have been coking? could they have been coking?

Interro-negative form

Simple form	V-ing form
couldn't I coke? couldn't you coke? couldn't he coke? couldn't we coke? couldn't you coke? couldn't they coke?	couldn't I be coking? couldn't you be coking? couldn't he be coking? couldn't we be coking? couldn't you be coking? couldn't they be coking?
Perfect	V-ing perfect
couldn't I have coked? couldn't you have coked? couldn't he have coked? couldn't we have coked? couldn't you have coked? couldn't they have coked?	couldn't I have been coking? couldn't you have been coking? couldn't he have been coking? couldn't we have been coking? couldn't you have been coking? couldn't they have been coking?