I could oversee you could oversee he could oversee we could oversee you could oversee they could oversee
Forma com V-ing
I could be overseeing you could be overseeing he could be overseeing we could be overseeing you could be overseeing they could be overseeing
Perfeito
I could have overseen you could have overseen he could have overseen we could have overseen you could have overseen they could have overseen
Perfeito com V-ing
I could have been overseeing you could have been overseeing he could have been overseeing we could have been overseeing you could have been overseeing they could have been overseeing
Negação
Forma simple
I could not oversee you could not oversee he could not oversee we could not oversee you could not oversee they could not oversee
Forma com V-ing
I could not be overseeing you could not be overseeing he could not be overseeing we could not be overseeing you could not be overseeing they could not be overseeing
Perfeito
I could not have overseen you could not have overseen he could not have overseen we could not have overseen you could not have overseen they could not have overseen
Perfeito com V-ing
I could not have been overseeing you could not have been overseeing he could not have been overseeing we could not have been overseeing you could not have been overseeing they could not have been overseeing
Forma interrogativa
Forma simple
could I oversee? could you oversee? could he oversee? could we oversee? could you oversee? could they oversee?
Forma com V-ing
could I be overseeing? could you be overseeing? could he be overseeing? could we be overseeing? could you be overseeing? could they be overseeing?
Perfeito
could I have overseen? could you have overseen? could he have overseen? could we have overseen? could you have overseen? could they have overseen?
Perfeito com V-ing
could I have been overseeing? could you have been overseeing? could he have been overseeing? could we have been overseeing? could you have been overseeing? could they have been overseeing?
Forma interro-Negação
Forma simple
could I not oversee? could you not oversee? could he not oversee? could we not oversee? could you not oversee? could they not oversee?
Forma com V-ing
could I not be overseeing? could you not be overseeing? could he not be overseeing? could we not be overseeing? could you not be overseeing? could they not be overseeing?
Perfeito
could I not have overseen? could you not have overseen? could he not have overseen? could we not have overseen? could you not have overseen? could they not have overseen?
Perfeito com V-ing
could I not have been overseeing? could you not have been overseeing? could he not have been overseeing? could we not have been overseeing? could you not have been overseeing? could they not have been overseeing?