English verb conjugation
TO UNDERPERFORM

Regular verb: underperform - underperformed - underperformed

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I underperform? don't you underperform? doesn't she underperform? don't we underperform? don't you underperform? don't they underperform?	am I not underperforming? aren't you underperforming? isn't she underperforming? aren't we underperforming? aren't you underperforming? aren't they underperforming?	didn't I underperform? didn't you underperform? didn't she underperform? didn't we underperform? didn't you underperform? didn't they underperform?	wasn't I underperforming? weren't you underperforming? wasn't she underperforming? weren't we underperforming? weren't you underperforming? weren't they underperforming?
Present perfect	Present perfect continuous	Pluperfect	Pluperfect continuous
haven't I underperformed? haven't you underperformed? hasn't she underperformed? haven't we underperformed? haven't you underperformed? haven't they underperformed?	haven't I been underperforming? haven't you been underperforming? hasn't she been underperforming? haven't we been underperforming? haven't you been underperforming? haven't they been underperforming?	hadn't I underperformed? hadn't you underperformed? hadn't she underperformed? hadn't we underperformed? hadn't you underperformed? hadn't they underperformed?	hadn't I been underperforming? hadn't you been underperforming? hadn't she been underperforming? hadn't we been underperforming? hadn't you been underperforming? hadn't they been underperforming?
Future	Future continuous	Future perfect	Future perfect continuous
won't I underperform? won't you underperform? won't she underperform? won't we underperform? won't you underperform? won't they underperform?	won't I be underperforming? won't you be underperforming? won't she be underperforming? won't we be underperforming? won't you be underperforming? won't they be underperforming?	won't I have underperformed? won't you have underperformed? won't she have underperformed? won't we have underperformed? won't you have underperformed? won't they have underperformed?	won't I have been underperforming? won't you have been underperforming? won't she have been underperforming? won't we have been underperforming? won't you have been underperforming? won't they have been underperforming?

Conditional

Present	Present continuous	Past	Past continuous
wouldn't I underperform? wouldn't you underperform? wouldn't she underperform? wouldn't we underperform? wouldn't you underperform? wouldn't they underperform?	wouldn't I be underperforming? wouldn't you be underperforming? wouldn't she be underperforming? wouldn't we be underperforming? wouldn't you be underperforming? wouldn't they be underperforming?	wouldn't I have underperformed? wouldn't you have underperformed? wouldn't she have underperformed? wouldn't we have underperformed? wouldn't you have underperformed? wouldn't they have underperformed?	wouldn't I have been underperforming? wouldn't you have been underperforming? wouldn't she have been underperforming? wouldn't we have been underperforming? wouldn't you have been underperforming? wouldn't they have been underperforming?

Infinitive

Imperative

Infinitive		Imperative
to underperform		- - -

Participle

Present	Past
underperforming	underperformed