to intervene
Regular verb: intervene - intervened- intervened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I not intervene?
do you not intervene?
doesshe not intervene?
do we not intervene?
do you not intervene?
do they not intervene? 	amI not intervening?
areyou not intervening?
isshe not intervening?
arewe not intervening?
areyou not intervening?
arethey not intervening? 	did I not intervene?
did you not intervene?
did she not intervene?
did we not intervene?
did you not intervene?
did they not intervene? 	wasI not intervening?
wereyou not intervening?
wasshe not intervening?
werewe not intervening?
wereyou not intervening?
werethey not intervening? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I not intervened?
have you not intervened?
hasshe not intervened?
have we not intervened?
have you not intervened?
have they not intervened? 	 have I not been intervening?
have you not been intervening?
hasshe not been intervening?
have we not been intervening?
have you not been intervening?
have they not been intervening? 	had I not intervened?
had you not intervened?
had she not intervened?
had we not intervened?
had you not intervened?
had they not intervened? 	had I not been intervening?
had you not been intervening?
had she not been intervening?
had we not been intervening?
had you not been intervening?
had they not been intervening? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
will I not intervene?
will you not intervene?
will she not intervene?
will we not intervene?
will you not intervene?
will they not intervene? 	will I not be intervening?
will you not be intervening?
will she not be intervening?
will we not be intervening?
will you not be intervening?
will they not be intervening? 	will I not have intervened?
will you not have intervened?
will she not have intervened?
will we not have intervened?
will you not have intervened?
will they not have intervened? 	will I not have been intervening?
will you not have been intervening?
will she not have been intervening?
will we not have been intervening?
will you not have been intervening?
will they not have been intervening? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
would I not intervene?
would you not intervene?
would she not intervene?
would we not intervene?
would you not intervene?
would they not intervene? 	would I not be intervening?
would you not be intervening?
would she not be intervening?
would we not be intervening?
would you not be intervening?
would they not be intervening? 	would I not have intervened?
would you not have intervened?
would she not have intervened?
would we not have intervened?
would you not have intervened?
would they not have intervened? 	would I not have been intervening?
would you not have been intervening?
would she not have been intervening?
would we not have been intervening?
would you not have been intervening?
would they not have been intervening? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to intervene 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
intervening	intervened