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