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