I can chopper you can chopper he can chopper we can chopper you can chopper they can chopper
Forma con V-ing
I can be choppering you can be choppering he can be choppering we can be choppering you can be choppering they can be choppering
Perfecto
I can have choppered you can have choppered he can have choppered we can have choppered you can have choppered they can have choppered
Perfecto con V-ing
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
Negación
Forma simple
I can't chopper you can't chopper he can't chopper we can't chopper you can't chopper they can't chopper
Forma con V-ing
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
Perfecto
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
Perfecto con V-ing
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
Forma interrogativa
Forma simple
can I chopper? can you chopper? can he chopper? can we chopper? can you chopper? can they chopper?
Forma con V-ing
can I be choppering? can you be choppering? can he be choppering? can we be choppering? can you be choppering? can they be choppering?
Perfecto
can I have choppered? can you have choppered? can he have choppered? can we have choppered? can you have choppered? can they have choppered?
Perfecto con V-ing
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?
Forma interro-negativa
Forma simple
can't I chopper? can't you chopper? can't he chopper? can't we chopper? can't you chopper? can't they chopper?
Forma con V-ing
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?
Perfecto
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?
Perfecto con V-ing
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?