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