English verb conjugation
WILL UNDERESTIMATE

Regular verb: underestimate - underestimated - underestimated

Affirmation

Simple form	V-ing form
I'll underestimate you'll underestimate he'll underestimate we'll underestimate you'll underestimate they'll underestimate	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	V-ing 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	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

Negation

Simple form	V-ing form
I won't underestimate you won't underestimate he won't underestimate we won't underestimate you won't underestimate they won't underestimate	I won't be underestimating you won't be underestimating he won't be underestimating we won't be underestimating you won't be underestimating they won't be underestimating
Perfect	V-ing perfect
I won't have underestimated you won't have underestimated he won't have underestimated we won't have underestimated you won't have underestimated they won't have underestimated	I won't have been underestimating you won't have been underestimating he won't have been underestimating we won't have been underestimating you won't have been underestimating they won't have been underestimating

Interrogative form

Simple form	V-ing form
will I underestimate? will you underestimate? will he underestimate? will we underestimate? will you underestimate? will they underestimate?	will I be underestimating? will you be underestimating? will he be underestimating? will we be underestimating? will you be underestimating? will they be underestimating?
Perfect	V-ing perfect
will I have underestimated? will you have underestimated? will he have underestimated? will we have underestimated? will you have underestimated? will they have underestimated?	will I have been underestimating? will you have been underestimating? will he have been underestimating? will we have been underestimating? will you have been underestimating? will they have been underestimating?

Interro-negative form

Simple form	V-ing form
won't I underestimate? won't you underestimate? won't he underestimate? won't we underestimate? won't you underestimate? won't they underestimate?	won't I be underestimating? won't you be underestimating? won't he be underestimating? won't we be underestimating? won't you be underestimating? won't they be underestimating?
Perfect	V-ing perfect
won't I have underestimated? won't you have underestimated? won't he have underestimated? won't we have underestimated? won't you have underestimated? won't they have underestimated?	won't I have been underestimating? won't you have been underestimating? won't he have been underestimating? won't we have been underestimating? won't you have been underestimating? won't they have been underestimating?