English verb conjugation
COULD PROCTOR

Regular verb: proctor - proctored - proctored

Affirmation

Simple form	V-ing form
I could proctor you could proctor she could proctor we could proctor you could proctor they could proctor	I could be proctoring you could be proctoring she could be proctoring we could be proctoring you could be proctoring they could be proctoring
Perfect	V-ing perfect
I could have proctored you could have proctored she could have proctored we could have proctored you could have proctored they could have proctored	I could have been proctoring you could have been proctoring she could have been proctoring we could have been proctoring you could have been proctoring they could have been proctoring

Negation

Simple form	V-ing form
I could not proctor you could not proctor she could not proctor we could not proctor you could not proctor they could not proctor	I could not be proctoring you could not be proctoring she could not be proctoring we could not be proctoring you could not be proctoring they could not be proctoring
Perfect	V-ing perfect
I could not have proctored you could not have proctored she could not have proctored we could not have proctored you could not have proctored they could not have proctored	I could not have been proctoring you could not have been proctoring she could not have been proctoring we could not have been proctoring you could not have been proctoring they could not have been proctoring

Interrogative form

Simple form	V-ing form
could I proctor? could you proctor? could she proctor? could we proctor? could you proctor? could they proctor?	could I be proctoring? could you be proctoring? could she be proctoring? could we be proctoring? could you be proctoring? could they be proctoring?
Perfect	V-ing perfect
could I have proctored? could you have proctored? could she have proctored? could we have proctored? could you have proctored? could they have proctored?	could I have been proctoring? could you have been proctoring? could she have been proctoring? could we have been proctoring? could you have been proctoring? could they have been proctoring?

Interro-negative form

Simple form	V-ing form
could I not proctor? could you not proctor? could she not proctor? could we not proctor? could you not proctor? could they not proctor?	could I not be proctoring? could you not be proctoring? could she not be proctoring? could we not be proctoring? could you not be proctoring? could they not be proctoring?
Perfect	V-ing perfect
could I not have proctored? could you not have proctored? could she not have proctored? could we not have proctored? could you not have proctored? could they not have proctored?	could I not have been proctoring? could you not have been proctoring? could she not have been proctoring? could we not have been proctoring? could you not have been proctoring? could they not have been proctoring?