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