I could educate you could educate he could educate we could educate you could educate they could educate
Forma con 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
Perfecto
I could have educated you could have educated he could have educated we could have educated you could have educated they could have educated
Perfecto con 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
Negación
Forma simple
I couldn't educate you couldn't educate he couldn't educate we couldn't educate you couldn't educate they couldn't educate
Forma con V-ing
I couldn't be educating you couldn't be educating he couldn't be educating we couldn't be educating you couldn't be educating they couldn't be educating
Perfecto
I couldn't have educated you couldn't have educated he couldn't have educated we couldn't have educated you couldn't have educated they couldn't have educated
Perfecto con V-ing
I couldn't have been educating you couldn't have been educating he couldn't have been educating we couldn't have been educating you couldn't have been educating they couldn't 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 con 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?
Perfecto
could I have educated? could you have educated? could he have educated? could we have educated? could you have educated? could they have educated?
Perfecto con 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-negativa
Forma simple
couldn't I educate? couldn't you educate? couldn't he educate? couldn't we educate? couldn't you educate? couldn't they educate?
Forma con V-ing
couldn't I be educating? couldn't you be educating? couldn't he be educating? couldn't we be educating? couldn't you be educating? couldn't they be educating?
Perfecto
couldn't I have educated? couldn't you have educated? couldn't he have educated? couldn't we have educated? couldn't you have educated? couldn't they have educated?
Perfecto con V-ing
couldn't I have been educating? couldn't you have been educating? couldn't he have been educating? couldn't we have been educating? couldn't you have been educating? couldn't they have been educating?