English verb conjugation
WILL UNDERUSE

Regular verb: underuse - underused - underused

Affirmation

Simple form	V-ing form
I'll underuse you'll underuse he'll underuse we'll underuse you'll underuse they'll underuse	I'll be underusing you'll be underusing he'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 he'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 he'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 he 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 he 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 he 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 he 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 he underuse? will we underuse? will you underuse? will they underuse?	will I be underusing? will you be underusing? will he 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 he 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 he 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 he 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 he 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 he 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 he have been underusing? won't we have been underusing? won't you have been underusing? won't they have been underusing?