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