to challenge
Regular verb: challenge - challenged- challenged

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
 would I challenge?
 would you challenge?
 would he challenge?
 would we challenge?
 would you challenge?
 would they challenge? 	 would I be challenging?
 would you be challenging?
 would he be challenging?
 would we be challenging?
 would you be challenging?
 would they be challenging? 	 would I have challenged?
 would you have challenged?
 would he have challenged?
 would we have challenged?
 would you have challenged?
 would they have challenged? 	 would I have been challenging?
 would you have been challenging?
 would he have been challenging?
 would we have been challenging?
 would you have been challenging?
 would they have been challenging? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to challenge 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
challenging	challenged