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