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