do I not substitute? do you not substitute? does she not substitute? do we not substitute? do you not substitute? do they not substitute?
Présent continu
am I not substituting? are you not substituting? is she not substituting? are we not substituting? are you not substituting? are they not substituting?
Prétérit
did I not substitute? did you not substitute? did she not substitute? did we not substitute? did you not substitute? did they not substitute?
Prétérit
was I not substituting? were you not substituting? was she not substituting? were we not substituting? were you not substituting? were they not substituting?
Present perfect
have I not substituted? have you not substituted? has she not substituted? have we not substituted? have you not substituted? have they not substituted?
Present perfect continu
have I not been substituting? have you not been substituting? has she not been substituting? have we not been substituting? have you not been substituting? have they not been substituting?
Pluperfect
had I not substituted? had you not substituted? had she not substituted? had we not substituted? had you not substituted? had they not substituted?
Pluperfect continu
had I not been substituting? had you not been substituting? had she not been substituting? had we not been substituting? had you not been substituting? had they not been substituting?
Futur
will I not substitute? will you not substitute? will she not substitute? will we not substitute? will you not substitute? will they not substitute?
Futur continu
will I not be substituting? will you not be substituting? will she not be substituting? will we not be substituting? will you not be substituting? will they not be substituting?
Futur antérieur
will I not have substituted? will you not have substituted? will she not have substituted? will we not have substituted? will you not have substituted? will they not have substituted?
Futur antérieur continu
will I not have been substituting? will you not have been substituting? will she not have been substituting? will we not have been substituting? will you not have been substituting? will they not have been substituting?
Conditionnel
Présent
would I not substitute? would you not substitute? would she not substitute? would we not substitute? would you not substitute? would they not substitute?
Présent continu
would I not be substituting? would you not be substituting? would she not be substituting? would we not be substituting? would you not be substituting? would they not be substituting?
Passé
would I not have substituted? would you not have substituted? would she not have substituted? would we not have substituted? would you not have substituted? would they not have substituted?
Passé continu
would I not have been substituting? would you not have been substituting? would she not have been substituting? would we not have been substituting? would you not have been substituting? would they not have been substituting?