English verb conjugation
WILL UNDERESTIMATE

Regular verb: underestimate - underestimated - underestimated

Affirmation

Simple form	V-ing form
I'll underestimate you'll underestimate she'll underestimate we'll underestimate you'll underestimate they'll underestimate	I'll be underestimating you'll be underestimating she'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 she'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 she'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 she 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 she 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 she 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 she 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 she underestimate? will we underestimate? will you underestimate? will they underestimate?	will I be underestimating? will you be underestimating? will she 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 she 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 she 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 she 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 she 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 she 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 she have been underestimating? won't we have been underestimating? won't you have been underestimating? won't they have been underestimating?