English verb conjugation
CAN CHOPPER

Regular verb: chopper - choppered - choppered

Affirmation

Simple form	V-ing form
I can chopper you can chopper he can chopper we can chopper you can chopper they can chopper	I can be choppering you can be choppering he can be choppering we can be choppering you can be choppering they can be choppering
Perfect	V-ing perfect
I can have choppered you can have choppered he can have choppered we can have choppered you can have choppered they can have choppered	I can have been choppering you can have been choppering he can have been choppering we can have been choppering you can have been choppering they can have been choppering

Negation

Simple form	V-ing form
I can't chopper you can't chopper he can't chopper we can't chopper you can't chopper they can't chopper	I can't be choppering you can't be choppering he can't be choppering we can't be choppering you can't be choppering they can't be choppering
Perfect	V-ing perfect
I can't have choppered you can't have choppered he can't have choppered we can't have choppered you can't have choppered they can't have choppered	I can't have been choppering you can't have been choppering he can't have been choppering we can't have been choppering you can't have been choppering they can't have been choppering

Interrogative form

Simple form	V-ing form
can I chopper? can you chopper? can he chopper? can we chopper? can you chopper? can they chopper?	can I be choppering? can you be choppering? can he be choppering? can we be choppering? can you be choppering? can they be choppering?
Perfect	V-ing perfect
can I have choppered? can you have choppered? can he have choppered? can we have choppered? can you have choppered? can they have choppered?	can I have been choppering? can you have been choppering? can he have been choppering? can we have been choppering? can you have been choppering? can they have been choppering?

Interro-negative form

Simple form	V-ing form
can't I chopper? can't you chopper? can't he chopper? can't we chopper? can't you chopper? can't they chopper?	can't I be choppering? can't you be choppering? can't he be choppering? can't we be choppering? can't you be choppering? can't they be choppering?
Perfect	V-ing perfect
can't I have choppered? can't you have choppered? can't he have choppered? can't we have choppered? can't you have choppered? can't they have choppered?	can't I have been choppering? can't you have been choppering? can't he have been choppering? can't we have been choppering? can't you have been choppering? can't they have been choppering?