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