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