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