English verb conjugation
TO INTERVENE

Regular verb: intervene - intervened - intervened

Indicative

Present	Present continuous	Preterite	Preterite continuous
don't I intervene? don't you intervene? doesn't he intervene? don't we intervene? don't you intervene? don't they intervene?	am I not intervening? aren't you intervening? isn't he intervening? aren't we intervening? aren't you intervening? aren't they intervening?	didn't I intervene? didn't you intervene? didn't he intervene? didn't we intervene? didn't you intervene? didn't they intervene?	wasn't I intervening? weren't you intervening? wasn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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