English verb conjugation
COULD DICKER

Regular verb: dicker - dickered - dickered

Affirmation

Simple form	V-ing form
I could dicker you could dicker she could dicker we could dicker you could dicker they could dicker	I could be dickering you could be dickering she could be dickering we could be dickering you could be dickering they could be dickering
Perfect	V-ing perfect
I could have dickered you could have dickered she could have dickered we could have dickered you could have dickered they could have dickered	I could have been dickering you could have been dickering she could have been dickering we could have been dickering you could have been dickering they could have been dickering

Negation

Simple form	V-ing form
I couldn't dicker you couldn't dicker she couldn't dicker we couldn't dicker you couldn't dicker they couldn't dicker	I couldn't be dickering you couldn't be dickering she couldn't be dickering we couldn't be dickering you couldn't be dickering they couldn't be dickering
Perfect	V-ing perfect
I couldn't have dickered you couldn't have dickered she couldn't have dickered we couldn't have dickered you couldn't have dickered they couldn't have dickered	I couldn't have been dickering you couldn't have been dickering she couldn't have been dickering we couldn't have been dickering you couldn't have been dickering they couldn't have been dickering

Interrogative form

Simple form	V-ing form
could I dicker? could you dicker? could she dicker? could we dicker? could you dicker? could they dicker?	could I be dickering? could you be dickering? could she be dickering? could we be dickering? could you be dickering? could they be dickering?
Perfect	V-ing perfect
could I have dickered? could you have dickered? could she have dickered? could we have dickered? could you have dickered? could they have dickered?	could I have been dickering? could you have been dickering? could she have been dickering? could we have been dickering? could you have been dickering? could they have been dickering?

Interro-negative form

Simple form	V-ing form
couldn't I dicker? couldn't you dicker? couldn't she dicker? couldn't we dicker? couldn't you dicker? couldn't they dicker?	couldn't I be dickering? couldn't you be dickering? couldn't she be dickering? couldn't we be dickering? couldn't you be dickering? couldn't they be dickering?
Perfect	V-ing perfect
couldn't I have dickered? couldn't you have dickered? couldn't she have dickered? couldn't we have dickered? couldn't you have dickered? couldn't they have dickered?	couldn't I have been dickering? couldn't you have been dickering? couldn't she have been dickering? couldn't we have been dickering? couldn't you have been dickering? couldn't they have been dickering?