I could tutor you could tutor she could tutor we could tutor you could tutor they could tutor
Forma con V-ing
I could be tutoring you could be tutoring she could be tutoring we could be tutoring you could be tutoring they could be tutoring
Perfecto
I could have tutored you could have tutored she could have tutored we could have tutored you could have tutored they could have tutored
Perfecto con V-ing
I could have been tutoring you could have been tutoring she could have been tutoring we could have been tutoring you could have been tutoring they could have been tutoring
Negación
Forma simple
I could not tutor you could not tutor she could not tutor we could not tutor you could not tutor they could not tutor
Forma con V-ing
I could not be tutoring you could not be tutoring she could not be tutoring we could not be tutoring you could not be tutoring they could not be tutoring
Perfecto
I could not have tutored you could not have tutored she could not have tutored we could not have tutored you could not have tutored they could not have tutored
Perfecto con V-ing
I could not have been tutoring you could not have been tutoring she could not have been tutoring we could not have been tutoring you could not have been tutoring they could not have been tutoring
Forma interrogativa
Forma simple
could I tutor? could you tutor? could she tutor? could we tutor? could you tutor? could they tutor?
Forma con V-ing
could I be tutoring? could you be tutoring? could she be tutoring? could we be tutoring? could you be tutoring? could they be tutoring?
Perfecto
could I have tutored? could you have tutored? could she have tutored? could we have tutored? could you have tutored? could they have tutored?
Perfecto con V-ing
could I have been tutoring? could you have been tutoring? could she have been tutoring? could we have been tutoring? could you have been tutoring? could they have been tutoring?
Forma interro-negativa
Forma simple
could I not tutor? could you not tutor? could she not tutor? could we not tutor? could you not tutor? could they not tutor?
Forma con V-ing
could I not be tutoring? could you not be tutoring? could she not be tutoring? could we not be tutoring? could you not be tutoring? could they not be tutoring?
Perfecto
could I not have tutored? could you not have tutored? could she not have tutored? could we not have tutored? could you not have tutored? could they not have tutored?
Perfecto con V-ing
could I not have been tutoring? could you not have been tutoring? could she not have been tutoring? could we not have been tutoring? could you not have been tutoring? could they not have been tutoring?