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