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