English verb conjugation
COULD TUTOR

Regular verb: tutor - tutored - tutored

Affirmation

Simple form	V-ing form
I could tutor you could tutor she could tutor we could tutor you could tutor they could tutor	I could be tutoring you could be tutoring she could be tutoring we could be tutoring you could be tutoring they could be tutoring
Perfect	V-ing perfect
I could have tutored you could have tutored she could have tutored we could have tutored you could have tutored they could have tutored	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

Negation

Simple form	V-ing form
I couldn't tutor you couldn't tutor she couldn't tutor we couldn't tutor you couldn't tutor they couldn't tutor	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
Perfect	V-ing perfect
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	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

Interrogative form

Simple form	V-ing form
could I tutor? could you tutor? could she tutor? could we tutor? could you tutor? could they tutor?	could I be tutoring? could you be tutoring? could she be tutoring? could we be tutoring? could you be tutoring? could they be tutoring?
Perfect	V-ing perfect
could I have tutored? could you have tutored? could she have tutored? could we have tutored? could you have tutored? could they have tutored?	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?

Interro-negative form

Simple form	V-ing form
couldn't I tutor? couldn't you tutor? couldn't she tutor? couldn't we tutor? couldn't you tutor? couldn't they tutor?	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?
Perfect	V-ing perfect
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?	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?