English verb conjugation
TO UNDERUSE

Regular verb: underuse - underused - underused

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I underuse? don't you underuse? doesn't he underuse? don't we underuse? don't you underuse? don't they underuse?	am I not underusing? aren't you underusing? isn't he underusing? aren't we underusing? aren't you underusing? aren't they underusing?	didn't I underuse? didn't you underuse? didn't he underuse? didn't we underuse? didn't you underuse? didn't they underuse?	wasn't I underusing? weren't you underusing? wasn't he underusing? weren't we underusing? weren't you underusing? weren't they underusing?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I underused? haven't you underused? hasn't he underused? haven't we underused? haven't you underused? haven't they underused?	haven't I been underusing? haven't you been underusing? hasn't he been underusing? haven't we been underusing? haven't you been underusing? haven't they been underusing?	hadn't I underused? hadn't you underused? hadn't he underused? hadn't we underused? hadn't you underused? hadn't they underused?	hadn't I been underusing? hadn't you been underusing? hadn't he been underusing? hadn't we been underusing? hadn't you been underusing? hadn't they been underusing?
Future	Future continuous	Future perfect	Future perfect continuous
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?	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?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I underuse? wouldn't you underuse? wouldn't he underuse? wouldn't we underuse? wouldn't you underuse? wouldn't they underuse?	wouldn't I be underusing? wouldn't you be underusing? wouldn't he be underusing? wouldn't we be underusing? wouldn't you be underusing? wouldn't they be underusing?	wouldn't I have underused? wouldn't you have underused? wouldn't he have underused? wouldn't we have underused? wouldn't you have underused? wouldn't they have underused?	wouldn't I have been underusing? wouldn't you have been underusing? wouldn't he have been underusing? wouldn't we have been underusing? wouldn't you have been underusing? wouldn't they have been underusing?

Infinitive

Imperative

Infinitive		Imperative
to underuse		- - -

Participle

Present	Past
underusing	underused