do I not cough? do you not cough? does he not cough? do we not cough? do you not cough? do they not cough?
Present continuous
am I not coughing? are you not coughing? is he not coughing? are we not coughing? are you not coughing? are they not coughing?
Preterite
did I not cough? did you not cough? did he not cough? did we not cough? did you not cough? did they not cough?
Preterite continuous
was I not coughing? were you not coughing? was he not coughing? were we not coughing? were you not coughing? were they not coughing?
Present perfect
have I not coughed? have you not coughed? has he not coughed? have we not coughed? have you not coughed? have they not coughed?
Present perfect continuous
have I not been coughing? have you not been coughing? has he not been coughing? have we not been coughing? have you not been coughing? have they not been coughing?
Pluperfect
had I not coughed? had you not coughed? had he not coughed? had we not coughed? had you not coughed? had they not coughed?
Pluperfect continuous
had I not been coughing? had you not been coughing? had he not been coughing? had we not been coughing? had you not been coughing? had they not been coughing?
Future
will I not cough? will you not cough? will he not cough? will we not cough? will you not cough? will they not cough?
Future continuous
will I not be coughing? will you not be coughing? will he not be coughing? will we not be coughing? will you not be coughing? will they not be coughing?
Future perfect
will I not have coughed? will you not have coughed? will he not have coughed? will we not have coughed? will you not have coughed? will they not have coughed?
Future perfect continuous
will I not have been coughing? will you not have been coughing? will he not have been coughing? will we not have been coughing? will you not have been coughing? will they not have been coughing?
Conditional
Present
would I not cough? would you not cough? would he not cough? would we not cough? would you not cough? would they not cough?
Present continuous
would I not be coughing? would you not be coughing? would he not be coughing? would we not be coughing? would you not be coughing? would they not be coughing?
Past
would I not have coughed? would you not have coughed? would he not have coughed? would we not have coughed? would you not have coughed? would they not have coughed?
Past continuous
would I not have been coughing? would you not have been coughing? would he not have been coughing? would we not have been coughing? would you not have been coughing? would they not have been coughing?