English verb conjugation
WILL UNDERUSE

Regular verb: underuse - underused - underused

Affirmation

Simple form	V-ing form
I'll underuse you'll underuse she'll underuse we'll underuse you'll underuse they'll underuse	I'll be underusing you'll be underusing she'll be underusing we'll be underusing you'll be underusing they'll be underusing
Perfect	V-ing perfect
I'll have underused you'll have underused she'll have underused we'll have underused you'll have underused they'll have underused	I'll have been underusing you'll have been underusing she'll have been underusing we'll have been underusing you'll have been underusing they'll have been underusing

Negation

Simple form	V-ing form
I won't underuse you won't underuse she won't underuse we won't underuse you won't underuse they won't underuse	I won't be underusing you won't be underusing she won't be underusing we won't be underusing you won't be underusing they won't be underusing
Perfect	V-ing perfect
I won't have underused you won't have underused she won't have underused we won't have underused you won't have underused they won't have underused	I won't have been underusing you won't have been underusing she won't have been underusing we won't have been underusing you won't have been underusing they won't have been underusing

Interrogative form

Simple form	V-ing form
will I underuse? will you underuse? will she underuse? will we underuse? will you underuse? will they underuse?	will I be underusing? will you be underusing? will she be underusing? will we be underusing? will you be underusing? will they be underusing?
Perfect	V-ing perfect
will I have underused? will you have underused? will she have underused? will we have underused? will you have underused? will they have underused?	will I have been underusing? will you have been underusing? will she have been underusing? will we have been underusing? will you have been underusing? will they have been underusing?

Interro-negative form

Simple form	V-ing form
won't I underuse? won't you underuse? won't she underuse? won't we underuse? won't you underuse? won't they underuse?	won't I be underusing? won't you be underusing? won't she be underusing? won't we be underusing? won't you be underusing? won't they be underusing?
Perfect	V-ing perfect
won't I have underused? won't you have underused? won't she have underused? won't we have underused? won't you have underused? won't they have underused?	won't I have been underusing? won't you have been underusing? won't she have been underusing? won't we have been underusing? won't you have been underusing? won't they have been underusing?