don't I skid? don't you skid? doesn't he skid? don't we skid? don't you skid? don't they skid?
Presente contínuo
am I not skidding? aren't you skidding? isn't he skidding? aren't we skidding? aren't you skidding? aren't they skidding?
Pretérito
didn't I skid? didn't you skid? didn't he skid? didn't we skid? didn't you skid? didn't they skid?
Preterito contínuo
wasn't I skidding? weren't you skidding? wasn't he skidding? weren't we skidding? weren't you skidding? weren't they skidding?
Presente perfeito
haven't I skidded? haven't you skidded? hasn't he skidded? haven't we skidded? haven't you skidded? haven't they skidded?
Presente perfeito contínuo
haven't I been skidding? haven't you been skidding? hasn't he been skidding? haven't we been skidding? haven't you been skidding? haven't they been skidding?
Mais perfeito
hadn't I skidded? hadn't you skidded? hadn't he skidded? hadn't we skidded? hadn't you skidded? hadn't they skidded?
Contínuo mais perfeito
hadn't I been skidding? hadn't you been skidding? hadn't he been skidding? hadn't we been skidding? hadn't you been skidding? hadn't they been skidding?
Futuro
won't I skid? won't you skid? won't he skid? won't we skid? won't you skid? won't they skid?
Futuro contínuo
won't I be skidding? won't you be skidding? won't he be skidding? won't we be skidding? won't you be skidding? won't they be skidding?
futuro perfeito
won't I have skidded? won't you have skidded? won't he have skidded? won't we have skidded? won't you have skidded? won't they have skidded?
futuro perfeito contínuo
won't I have been skidding? won't you have been skidding? won't he have been skidding? won't we have been skidding? won't you have been skidding? won't they have been skidding?
Condicional
Presente
wouldn't I skid? wouldn't you skid? wouldn't he skid? wouldn't we skid? wouldn't you skid? wouldn't they skid?
Presente contínuo
wouldn't I be skidding? wouldn't you be skidding? wouldn't he be skidding? wouldn't we be skidding? wouldn't you be skidding? wouldn't they be skidding?
Passado
wouldn't I have skidded? wouldn't you have skidded? wouldn't he have skidded? wouldn't we have skidded? wouldn't you have skidded? wouldn't they have skidded?
Passado contínuo
wouldn't I have been skidding? wouldn't you have been skidding? wouldn't he have been skidding? wouldn't we have been skidding? wouldn't you have been skidding? wouldn't they have been skidding?