don't I compress? don't you compress? doesn't he 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 he compressing? aren't we compressing? aren't you compressing? aren't they compressing?
Preterite
didn't I compress? didn't you compress? didn't he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he 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 he have been compressing? wouldn't we have been compressing? wouldn't you have been compressing? wouldn't they have been compressing?