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