I'll be buying you'll be buying she'll be buying we'll be buying you'll be buying they'll be buying
Perfect
I'll have bought you'll have bought she'll have bought we'll have bought you'll have bought they'll have bought
V-ing perfect
I'll have been buying you'll have been buying she'll have been buying we'll have been buying you'll have been buying they'll have been buying
Negation
Simple form
I shan't buy you shan't buy she shan't buy we shan't buy you shan't buy they shan't buy
V-ing form
I shan't be buying you shan't be buying she shan't be buying we shan't be buying you shan't be buying they shan't be buying
Perfect
I shan't have bought you shan't have bought she shan't have bought we shan't have bought you shan't have bought they shan't have bought
V-ing perfect
I shan't have been buying you shan't have been buying she shan't have been buying we shan't have been buying you shan't have been buying they shan't have been buying
Interrogative form
Simple form
shall I buy? shall you buy? shall she buy? shall we buy? shall you buy? shall they buy?
V-ing form
shall I be buying? shall you be buying? shall she be buying? shall we be buying? shall you be buying? shall they be buying?
Perfect
shall I have bought? shall you have bought? shall she have bought? shall we have bought? shall you have bought? shall they have bought?
V-ing perfect
shall I have been buying? shall you have been buying? shall she have been buying? shall we have been buying? shall you have been buying? shall they have been buying?
Interro-negative form
Simple form
shan't I buy? shan't you buy? shan't she buy? shan't we buy? shan't you buy? shan't they buy?
V-ing form
shan't I be buying? shan't you be buying? shan't she be buying? shan't we be buying? shan't you be buying? shan't they be buying?
Perfect
shan't I have bought? shan't you have bought? shan't she have bought? shan't we have bought? shan't you have bought? shan't they have bought?
V-ing perfect
shan't I have been buying? shan't you have been buying? shan't she have been buying? shan't we have been buying? shan't you have been buying? shan't they have been buying?