to intervene
Regular verb: intervene - intervened- intervened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I intervene?
don't you intervene?
doesn't she intervene?
don't we intervene?
don't you intervene?
don't they intervene? 	amI not intervening?
aren't you intervening?
isn't she intervening?
aren't we intervening?
aren't you intervening?
aren't they intervening? 	didn't I intervene?
didn't you intervene?
didn't she intervene?
didn't we intervene?
didn't you intervene?
didn't they intervene? 	wasn't I intervening?
weren't you intervening?
wasn't she intervening?
weren't we intervening?
weren't you intervening?
weren't they intervening? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I intervened?
haven't you intervened?
hasn't she intervened?
haven't we intervened?
haven't you intervened?
haven't they intervened? 	haven't I been intervening?
haven't you been intervening?
hasn't she been intervening?
haven't we been intervening?
haven't you been intervening?
haven't they been intervening? 	hadn't I intervened?
hadn't you intervened?
hadn't she intervened?
hadn't we intervened?
hadn't you intervened?
hadn't they intervened? 	hadn't I been intervening?
hadn't you been intervening?
hadn't she been intervening?
hadn't we been intervening?
hadn't you been intervening?
hadn't they been intervening? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
won't I intervene?
won't you intervene?
won't she intervene?
won't we intervene?
won't you intervene?
won't they intervene? 	won't I be intervening?
won't you be intervening?
won't she be intervening?
won't we be intervening?
won't you be intervening?
won't they be intervening? 	won't I have intervened?
won't you have intervened?
won't she have intervened?
won't we have intervened?
won't you have intervened?
won't they have intervened? 	won't I have been intervening?
won't you have been intervening?
won't she have been intervening?
won't we have been intervening?
won't you have been intervening?
won't they have been intervening? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I intervene?
wouldn't you intervene?
wouldn't she intervene?
wouldn't we intervene?
wouldn't you intervene?
wouldn't they intervene? 	wouldn't I be intervening?
wouldn't you be intervening?
wouldn't she be intervening?
wouldn't we be intervening?
wouldn't you be intervening?
wouldn't they be intervening? 	wouldn't I have intervened?
wouldn't you have intervened?
wouldn't she have intervened?
wouldn't we have intervened?
wouldn't you have intervened?
wouldn't they have intervened? 	wouldn't I have been intervening?
wouldn't you have been intervening?
wouldn't she have been intervening?
wouldn't we have been intervening?
wouldn't you have been intervening?
wouldn't they have been intervening? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to intervene 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
intervening	intervened