don't I commence? don't you commence? doesn't she commence? don't we commence? don't you commence? don't they commence?
Present continuous
am I not commencing? aren't you commencing? isn't she commencing? aren't we commencing? aren't you commencing? aren't they commencing?
Preterite
didn't I commence? didn't you commence? didn't she commence? didn't we commence? didn't you commence? didn't they commence?
Preterite continuous
wasn't I commencing? weren't you commencing? wasn't she commencing? weren't we commencing? weren't you commencing? weren't they commencing?
Present perfect
haven't I commenced? haven't you commenced? hasn't she commenced? haven't we commenced? haven't you commenced? haven't they commenced?
Present perfect continuous
haven't I been commencing? haven't you been commencing? hasn't she been commencing? haven't we been commencing? haven't you been commencing? haven't they been commencing?
Pluperfect
hadn't I commenced? hadn't you commenced? hadn't she commenced? hadn't we commenced? hadn't you commenced? hadn't they commenced?
Pluperfect continuous
hadn't I been commencing? hadn't you been commencing? hadn't she been commencing? hadn't we been commencing? hadn't you been commencing? hadn't they been commencing?
Future
won't I commence? won't you commence? won't she commence? won't we commence? won't you commence? won't they commence?
Future continuous
won't I be commencing? won't you be commencing? won't she be commencing? won't we be commencing? won't you be commencing? won't they be commencing?
Future perfect
won't I have commenced? won't you have commenced? won't she have commenced? won't we have commenced? won't you have commenced? won't they have commenced?
Future perfect continuous
won't I have been commencing? won't you have been commencing? won't she have been commencing? won't we have been commencing? won't you have been commencing? won't they have been commencing?
Conditional
Present
wouldn't I commence? wouldn't you commence? wouldn't she commence? wouldn't we commence? wouldn't you commence? wouldn't they commence?
Present continuous
wouldn't I be commencing? wouldn't you be commencing? wouldn't she be commencing? wouldn't we be commencing? wouldn't you be commencing? wouldn't they be commencing?
Past
wouldn't I have commenced? wouldn't you have commenced? wouldn't she have commenced? wouldn't we have commenced? wouldn't you have commenced? wouldn't they have commenced?
Past continuous
wouldn't I have been commencing? wouldn't you have been commencing? wouldn't she have been commencing? wouldn't we have been commencing? wouldn't you have been commencing? wouldn't they have been commencing?