to underperform
Regular verb: underperform - underperformed- underperformed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I underperform?
do you underperform?
doeshe underperform?
do we underperform?
do you underperform?
do they underperform? 	amI underperforming?
areyou underperforming?
ishe underperforming?
arewe underperforming?
areyou underperforming?
arethey underperforming? 	did I underperform?
did you underperform?
did he underperform?
did we underperform?
did you underperform?
did they underperform? 	wasI underperforming?
wereyou underperforming?
washe underperforming?
werewe underperforming?
wereyou underperforming?
werethey underperforming? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I underperformed?
have you underperformed?
hashe underperformed?
have we underperformed?
have you underperformed?
have they underperformed? 	 have I been underperforming?
have you been underperforming?
hashe been underperforming?
have we been underperforming?
have you been underperforming?
have they been underperforming? 	had I underperformed?
had you underperformed?
had he underperformed?
had we underperformed?
had you underperformed?
had they underperformed? 	had I been underperforming?
had you been underperforming?
had he been underperforming?
had we been underperforming?
had you been underperforming?
had they been underperforming? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
 will I underperform?
 will you underperform?
 will he underperform?
 will we underperform?
 will you underperform?
 will they underperform? 	 will I be underperforming?
 will you be underperforming?
 will he be underperforming?
 will we be underperforming?
 will you be underperforming?
 will they be underperforming? 	 will I have underperformed?
 will you have underperformed?
 will he have underperformed?
 will we have underperformed?
 will you have underperformed?
 will they have underperformed? 	 will I have been underperforming?
 will you have been underperforming?
 will he have been underperforming?
 will we have been underperforming?
 will you have been underperforming?
 will they have been underperforming? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
 would I underperform?
 would you underperform?
 would he underperform?
 would we underperform?
 would you underperform?
 would they underperform? 	 would I be underperforming?
 would you be underperforming?
 would he be underperforming?
 would we be underperforming?
 would you be underperforming?
 would they be underperforming? 	 would I have underperformed?
 would you have underperformed?
 would he have underperformed?
 would we have underperformed?
 would you have underperformed?
 would they have underperformed? 	 would I have been underperforming?
 would you have been underperforming?
 would he have been underperforming?
 would we have been underperforming?
 would you have been underperforming?
 would they have been underperforming? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to underperform 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
underperforming	underperformed