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