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 continuo
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?
Pretérito continuo
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 perfecto
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 perfecto continuo
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?
Pluscuamperfecto
hadn't I skied? hadn't you skied? hadn't she skied? hadn't we skied? hadn't you skied? hadn't they skied?
Pluscuamperfecto continuo
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 simple
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 continuo
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 perfecto
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 perfecto 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 continuo
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 continuo
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?