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