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