I'll be duping you'll be duping she'll be duping we'll be duping you'll be duping they'll be duping
Perfect
I'll have duped you'll have duped she'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 she'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 she 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 she 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 she 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 she 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 she dupe? shall we dupe? shall you dupe? shall they dupe?
V-ing form
shall I be duping? shall you be duping? shall she be duping? shall we be duping? shall you be duping? shall they be duping?
Perfect
shall I have duped? shall you have duped? shall she 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 she 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 she 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 she 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 she 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 she have been duping? shan't we have been duping? shan't you have been duping? shan't they have been duping?