to underperform
Regular verb: underperform - underperformed- underperformed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I underperform?
don't you underperform?
doesn't he underperform?
don't we underperform?
don't you underperform?
don't they underperform? 	amI not underperforming?
aren't you underperforming?
isn't he underperforming?
aren't we underperforming?
aren't you underperforming?
aren't they underperforming? 	didn't I underperform?
didn't you underperform?
didn't he underperform?
didn't we underperform?
didn't you underperform?
didn't they underperform? 	wasn't I underperforming?
weren't you underperforming?
wasn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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