English verb conjugation
CAN DICKER

Regular verb: dicker - dickered - dickered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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