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