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