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