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 couldn't tutor you couldn't tutor she couldn't tutor we couldn't tutor you couldn't tutor they couldn't tutor
Forma con V-ing
I couldn't be tutoring you couldn't be tutoring she couldn't be tutoring we couldn't be tutoring you couldn't be tutoring they couldn't be tutoring
Perfecto
I couldn't have tutored you couldn't have tutored she couldn't have tutored we couldn't have tutored you couldn't have tutored they couldn't have tutored
Perfecto con V-ing
I couldn't have been tutoring you couldn't have been tutoring she couldn't have been tutoring we couldn't have been tutoring you couldn't have been tutoring they couldn't 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
couldn't I tutor? couldn't you tutor? couldn't she tutor? couldn't we tutor? couldn't you tutor? couldn't they tutor?
Forma con V-ing
couldn't I be tutoring? couldn't you be tutoring? couldn't she be tutoring? couldn't we be tutoring? couldn't you be tutoring? couldn't they be tutoring?
Perfecto
couldn't I have tutored? couldn't you have tutored? couldn't she have tutored? couldn't we have tutored? couldn't you have tutored? couldn't they have tutored?
Perfecto con V-ing
couldn't I have been tutoring? couldn't you have been tutoring? couldn't she have been tutoring? couldn't we have been tutoring? couldn't you have been tutoring? couldn't they have been tutoring?