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