?
do we not announce ?
do they not announce ?
did i not announce ?
did you not announce ?
did she/he/it not announce ?
did we not announce ?
did they not announce ?
have i not announced ?
have you not announced ?
has she/he/it not announced ?
have we not announced ?
have they not announced ?
had i not announced ?
had you not announced ?
had she/he/it not announced ?
had we not announced ?
had they not announced ?
will i not announce ?
will you not announce ?
will she/he/it not announce ?
will we not announce ?
will they not announce ?
will i not have announced ?
will you not have announced ?
will she/he/it not have announced ?
will we not have announced ?
will they 