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