I'll be stiffening you'll be stiffening she'll be stiffening we'll be stiffening you'll be stiffening they'll be stiffening
Perfect
I'll have stiffened you'll have stiffened she'll have stiffened we'll have stiffened you'll have stiffened they'll have stiffened
V-ing perfect
I'll have been stiffening you'll have been stiffening she'll have been stiffening we'll have been stiffening you'll have been stiffening they'll have been stiffening
Negation
Simple form
I shan't stiffen you shan't stiffen she shan't stiffen we shan't stiffen you shan't stiffen they shan't stiffen
V-ing form
I shan't be stiffening you shan't be stiffening she shan't be stiffening we shan't be stiffening you shan't be stiffening they shan't be stiffening
Perfect
I shan't have stiffened you shan't have stiffened she shan't have stiffened we shan't have stiffened you shan't have stiffened they shan't have stiffened
V-ing perfect
I shan't have been stiffening you shan't have been stiffening she shan't have been stiffening we shan't have been stiffening you shan't have been stiffening they shan't have been stiffening
Interrogative form
Simple form
shall I stiffen? shall you stiffen? shall she stiffen? shall we stiffen? shall you stiffen? shall they stiffen?
V-ing form
shall I be stiffening? shall you be stiffening? shall she be stiffening? shall we be stiffening? shall you be stiffening? shall they be stiffening?
Perfect
shall I have stiffened? shall you have stiffened? shall she have stiffened? shall we have stiffened? shall you have stiffened? shall they have stiffened?
V-ing perfect
shall I have been stiffening? shall you have been stiffening? shall she have been stiffening? shall we have been stiffening? shall you have been stiffening? shall they have been stiffening?
Interro-negative form
Simple form
shan't I stiffen? shan't you stiffen? shan't she stiffen? shan't we stiffen? shan't you stiffen? shan't they stiffen?
V-ing form
shan't I be stiffening? shan't you be stiffening? shan't she be stiffening? shan't we be stiffening? shan't you be stiffening? shan't they be stiffening?
Perfect
shan't I have stiffened? shan't you have stiffened? shan't she have stiffened? shan't we have stiffened? shan't you have stiffened? shan't they have stiffened?
V-ing perfect
shan't I have been stiffening? shan't you have been stiffening? shan't she have been stiffening? shan't we have been stiffening? shan't you have been stiffening? shan't they have been stiffening?