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