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