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