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