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