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