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