do I not invest? do you not invest? does she not invest? do we not invest? do you not invest? do they not invest?
Present continuous
am I not investing? are you not investing? is she not investing? are we not investing? are you not investing? are they not investing?
Preterite
did I not invest? did you not invest? did she not invest? did we not invest? did you not invest? did they not invest?
Preterite continuous
was I not investing? were you not investing? was she not investing? were we not investing? were you not investing? were they not investing?
Present perfect
have I not invested? have you not invested? has she not invested? have we not invested? have you not invested? have they not invested?
Present perfect continuous
have I not been investing? have you not been investing? has she not been investing? have we not been investing? have you not been investing? have they not been investing?
Pluperfect
had I not invested? had you not invested? had she not invested? had we not invested? had you not invested? had they not invested?
Pluperfect continuous
had I not been investing? had you not been investing? had she not been investing? had we not been investing? had you not been investing? had they not been investing?
Future
will I not invest? will you not invest? will she not invest? will we not invest? will you not invest? will they not invest?
Future continuous
will I not be investing? will you not be investing? will she not be investing? will we not be investing? will you not be investing? will they not be investing?
Future perfect
will I not have invested? will you not have invested? will she not have invested? will we not have invested? will you not have invested? will they not have invested?
Future perfect continuous
will I not have been investing? will you not have been investing? will she not have been investing? will we not have been investing? will you not have been investing? will they not have been investing?
Conditional
Present
would I not invest? would you not invest? would she not invest? would we not invest? would you not invest? would they not invest?
Present continuous
would I not be investing? would you not be investing? would she not be investing? would we not be investing? would you not be investing? would they not be investing?
Past
would I not have invested? would you not have invested? would she not have invested? would we not have invested? would you not have invested? would they not have invested?
Past continuous
would I not have been investing? would you not have been investing? would she not have been investing? would we not have been investing? would you not have been investing? would they not have been investing?