I could admit you could admit he could admit we could admit you could admit they could admit
Forma com V-ing
I could be admitting you could be admitting he could be admitting we could be admitting you could be admitting they could be admitting
Perfeito
I could have admitted you could have admitted he could have admitted we could have admitted you could have admitted they could have admitted
Perfeito com V-ing
I could have been admitting you could have been admitting he could have been admitting we could have been admitting you could have been admitting they could have been admitting
Negação
Forma simple
I could not admit you could not admit he could not admit we could not admit you could not admit they could not admit
Forma com V-ing
I could not be admitting you could not be admitting he could not be admitting we could not be admitting you could not be admitting they could not be admitting
Perfeito
I could not have admitted you could not have admitted he could not have admitted we could not have admitted you could not have admitted they could not have admitted
Perfeito com V-ing
I could not have been admitting you could not have been admitting he could not have been admitting we could not have been admitting you could not have been admitting they could not have been admitting
Forma interrogativa
Forma simple
could I admit? could you admit? could he admit? could we admit? could you admit? could they admit?
Forma com V-ing
could I be admitting? could you be admitting? could he be admitting? could we be admitting? could you be admitting? could they be admitting?
Perfeito
could I have admitted? could you have admitted? could he have admitted? could we have admitted? could you have admitted? could they have admitted?
Perfeito com V-ing
could I have been admitting? could you have been admitting? could he have been admitting? could we have been admitting? could you have been admitting? could they have been admitting?
Forma interro-Negação
Forma simple
could I not admit? could you not admit? could he not admit? could we not admit? could you not admit? could they not admit?
Forma com V-ing
could I not be admitting? could you not be admitting? could he not be admitting? could we not be admitting? could you not be admitting? could they not be admitting?
Perfeito
could I not have admitted? could you not have admitted? could he not have admitted? could we not have admitted? could you not have admitted? could they not have admitted?
Perfeito com V-ing
could I not have been admitting? could you not have been admitting? could he not have been admitting? could we not have been admitting? could you not have been admitting? could they not have been admitting?