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