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