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