I can dupe you can dupe he can dupe we can dupe you can dupe they can dupe
Forme en V-ing
I can be duping you can be duping he can be duping we can be duping you can be duping they can be duping
Perfect
I can have duped you can have duped he can have duped we can have duped you can have duped they can have duped
Perfect en V-ing
I can have been duping you can have been duping he can have been duping we can have been duping you can have been duping they can have been duping
Négation
Forme simple
I can't dupe you can't dupe he can't dupe we can't dupe you can't dupe they can't dupe
Forme en V-ing
I can't be duping you can't be duping he can't be duping we can't be duping you can't be duping they can't be duping
Perfect
I can't have duped you can't have duped he can't have duped we can't have duped you can't have duped they can't have duped
Perfect en V-ing
I can't have been duping you can't have been duping he can't have been duping we can't have been duping you can't have been duping they can't have been duping
Forme interrogative
Forme simple
can I dupe? can you dupe? can he dupe? can we dupe? can you dupe? can they dupe?
Forme en V-ing
can I be duping? can you be duping? can he be duping? can we be duping? can you be duping? can they be duping?
Perfect
can I have duped? can you have duped? can he have duped? can we have duped? can you have duped? can they have duped?
Perfect en V-ing
can I have been duping? can you have been duping? can he have been duping? can we have been duping? can you have been duping? can they have been duping?
Forme interro-négative
Forme simple
can't I dupe? can't you dupe? can't he dupe? can't we dupe? can't you dupe? can't they dupe?
Forme en V-ing
can't I be duping? can't you be duping? can't he be duping? can't we be duping? can't you be duping? can't they be duping?
Perfect
can't I have duped? can't you have duped? can't he have duped? can't we have duped? can't you have duped? can't they have duped?
Perfect en V-ing
can't I have been duping? can't you have been duping? can't he have been duping? can't we have been duping? can't you have been duping? can't they have been duping?