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