I'll be duping you'll be duping he'll be duping we'll be duping you'll be duping they'll be duping
Perfect
I'll have duped you'll have duped he'll have duped we'll have duped you'll have duped they'll have duped
V-ing perfect
I'll have been duping you'll have been duping he'll have been duping we'll have been duping you'll have been duping they'll have been duping
Negation
Simple form
I shan't dupe you shan't dupe he shan't dupe we shan't dupe you shan't dupe they shan't dupe
V-ing form
I shan't be duping you shan't be duping he shan't be duping we shan't be duping you shan't be duping they shan't be duping
Perfect
I shan't have duped you shan't have duped he shan't have duped we shan't have duped you shan't have duped they shan't have duped
V-ing perfect
I shan't have been duping you shan't have been duping he shan't have been duping we shan't have been duping you shan't have been duping they shan't have been duping
Interrogative form
Simple form
shall I dupe? shall you dupe? shall he dupe? shall we dupe? shall you dupe? shall they dupe?
V-ing form
shall I be duping? shall you be duping? shall he be duping? shall we be duping? shall you be duping? shall they be duping?
Perfect
shall I have duped? shall you have duped? shall he have duped? shall we have duped? shall you have duped? shall they have duped?
V-ing perfect
shall I have been duping? shall you have been duping? shall he have been duping? shall we have been duping? shall you have been duping? shall they have been duping?
Interro-negative form
Simple form
shan't I dupe? shan't you dupe? shan't he dupe? shan't we dupe? shan't you dupe? shan't they dupe?
V-ing form
shan't I be duping? shan't you be duping? shan't he be duping? shan't we be duping? shan't you be duping? shan't they be duping?
Perfect
shan't I have duped? shan't you have duped? shan't he have duped? shan't we have duped? shan't you have duped? shan't they have duped?
V-ing perfect
shan't I have been duping? shan't you have been duping? shan't he have been duping? shan't we have been duping? shan't you have been duping? shan't they have been duping?