I'll be underachieving you'll be underachieving he'll be underachieving we'll be underachieving you'll be underachieving they'll be underachieving
Perfect
I'll have underachieved you'll have underachieved he'll have underachieved we'll have underachieved you'll have underachieved they'll have underachieved
Perfect en V-ing
I'll have been underachieving you'll have been underachieving he'll have been underachieving we'll have been underachieving you'll have been underachieving they'll have been underachieving
Négation
Forme simple
I shan't underachieve you shan't underachieve he shan't underachieve we shan't underachieve you shan't underachieve they shan't underachieve
Forme en V-ing
I shan't be underachieving you shan't be underachieving he shan't be underachieving we shan't be underachieving you shan't be underachieving they shan't be underachieving
Perfect
I shan't have underachieved you shan't have underachieved he shan't have underachieved we shan't have underachieved you shan't have underachieved they shan't have underachieved
Perfect en V-ing
I shan't have been underachieving you shan't have been underachieving he shan't have been underachieving we shan't have been underachieving you shan't have been underachieving they shan't have been underachieving
Forme interrogative
Forme simple
shall I underachieve? shall you underachieve? shall he underachieve? shall we underachieve? shall you underachieve? shall they underachieve?
Forme en V-ing
shall I be underachieving? shall you be underachieving? shall he be underachieving? shall we be underachieving? shall you be underachieving? shall they be underachieving?
Perfect
shall I have underachieved? shall you have underachieved? shall he have underachieved? shall we have underachieved? shall you have underachieved? shall they have underachieved?
Perfect en V-ing
shall I have been underachieving? shall you have been underachieving? shall he have been underachieving? shall we have been underachieving? shall you have been underachieving? shall they have been underachieving?
Forme interro-négative
Forme simple
shan't I underachieve? shan't you underachieve? shan't he underachieve? shan't we underachieve? shan't you underachieve? shan't they underachieve?
Forme en V-ing
shan't I be underachieving? shan't you be underachieving? shan't he be underachieving? shan't we be underachieving? shan't you be underachieving? shan't they be underachieving?
Perfect
shan't I have underachieved? shan't you have underachieved? shan't he have underachieved? shan't we have underachieved? shan't you have underachieved? shan't they have underachieved?
Perfect en V-ing
shan't I have been underachieving? shan't you have been underachieving? shan't he have been underachieving? shan't we have been underachieving? shan't you have been underachieving? shan't they have been underachieving?