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