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