English verb conjugation
CAN COKE

Regular verb: coke - coked - coked

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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