I could educate you could educate he could educate we could educate you could educate they could educate
Forma com V-ing
I could be educating you could be educating he could be educating we could be educating you could be educating they could be educating
Perfeito
I could have educated you could have educated he could have educated we could have educated you could have educated they could have educated
Perfeito com V-ing
I could have been educating you could have been educating he could have been educating we could have been educating you could have been educating they could have been educating
Negação
Forma simple
I could not educate you could not educate he could not educate we could not educate you could not educate they could not educate
Forma com V-ing
I could not be educating you could not be educating he could not be educating we could not be educating you could not be educating they could not be educating
Perfeito
I could not have educated you could not have educated he could not have educated we could not have educated you could not have educated they could not have educated
Perfeito com V-ing
I could not have been educating you could not have been educating he could not have been educating we could not have been educating you could not have been educating they could not have been educating
Forma interrogativa
Forma simple
could I educate? could you educate? could he educate? could we educate? could you educate? could they educate?
Forma com V-ing
could I be educating? could you be educating? could he be educating? could we be educating? could you be educating? could they be educating?
Perfeito
could I have educated? could you have educated? could he have educated? could we have educated? could you have educated? could they have educated?
Perfeito com V-ing
could I have been educating? could you have been educating? could he have been educating? could we have been educating? could you have been educating? could they have been educating?
Forma interro-Negação
Forma simple
could I not educate? could you not educate? could he not educate? could we not educate? could you not educate? could they not educate?
Forma com V-ing
could I not be educating? could you not be educating? could he not be educating? could we not be educating? could you not be educating? could they not be educating?
Perfeito
could I not have educated? could you not have educated? could he not have educated? could we not have educated? could you not have educated? could they not have educated?
Perfeito com V-ing
could I not have been educating? could you not have been educating? could he not have been educating? could we not have been educating? could you not have been educating? could they not have been educating?