do I not intervene? do you not intervene? does she not intervene? do we not intervene? do you not intervene? do they not intervene?
Present continuous
am I not intervening? are you not intervening? is she not intervening? are we not intervening? are you not intervening? are they not intervening?
Preterite
did I not intervene? did you not intervene? did she not intervene? did we not intervene? did you not intervene? did they not intervene?
Preterite continuous
was I not intervening? were you not intervening? was she not intervening? were we not intervening? were you not intervening? were they not intervening?
Present perfect
have I not intervened? have you not intervened? has she not intervened? have we not intervened? have you not intervened? have they not intervened?
Present perfect continuous
have I not been intervening? have you not been intervening? has she not been intervening? have we not been intervening? have you not been intervening? have they not been intervening?
Pluperfect
had I not intervened? had you not intervened? had she not intervened? had we not intervened? had you not intervened? had they not intervened?
Pluperfect continuous
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
will I not intervene? will you not intervene? will she not intervene? will we not intervene? will you not intervene? will they not intervene?
Future continuous
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?
Future perfect
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?
Future perfect continuous
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
would I not intervene? would you not intervene? would she not intervene? would we not intervene? would you not intervene? would they not intervene?
Present continuous
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?
Past
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?
Past continuous
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?