don't I vary? don't you vary? doesn't she vary? don't we vary? don't you vary? don't they vary?
Presente continuo
am I not varying? aren't you varying? isn't she varying? aren't we varying? aren't you varying? aren't they varying?
Pretérito
didn't I vary? didn't you vary? didn't she vary? didn't we vary? didn't you vary? didn't they vary?
Pretérito continuo
wasn't I varying? weren't you varying? wasn't she varying? weren't we varying? weren't you varying? weren't they varying?
Presente perfecto
haven't I varied? haven't you varied? hasn't she varied? haven't we varied? haven't you varied? haven't they varied?
Presente perfecto continuo
haven't I been varying? haven't you been varying? hasn't she been varying? haven't we been varying? haven't you been varying? haven't they been varying?
Pluscuamperfecto
hadn't I varied? hadn't you varied? hadn't she varied? hadn't we varied? hadn't you varied? hadn't they varied?
Pluscuamperfecto continuo
hadn't I been varying? hadn't you been varying? hadn't she been varying? hadn't we been varying? hadn't you been varying? hadn't they been varying?
Futuro simple
won't I vary? won't you vary? won't she vary? won't we vary? won't you vary? won't they vary?
Futuro continuo
won't I be varying? won't you be varying? won't she be varying? won't we be varying? won't you be varying? won't they be varying?
Futuro perfecto
won't I have varied? won't you have varied? won't she have varied? won't we have varied? won't you have varied? won't they have varied?
Futuro perfecto contínuo
won't I have been varying? won't you have been varying? won't she have been varying? won't we have been varying? won't you have been varying? won't they have been varying?
Condicional
Presente
wouldn't I vary? wouldn't you vary? wouldn't she vary? wouldn't we vary? wouldn't you vary? wouldn't they vary?
Presente continuo
wouldn't I be varying? wouldn't you be varying? wouldn't she be varying? wouldn't we be varying? wouldn't you be varying? wouldn't they be varying?
Passado
wouldn't I have varied? wouldn't you have varied? wouldn't she have varied? wouldn't we have varied? wouldn't you have varied? wouldn't they have varied?
Passado continuo
wouldn't I have been varying? wouldn't you have been varying? wouldn't she have been varying? wouldn't we have been varying? wouldn't you have been varying? wouldn't they have been varying?