I could interview you could interview he could interview we could interview you could interview they could interview
V-ing form
I could be interviewing you could be interviewing he could be interviewing we could be interviewing you could be interviewing they could be interviewing
Perfect
I could have interviewed you could have interviewed he could have interviewed we could have interviewed you could have interviewed they could have interviewed
V-ing perfect
I could have been interviewing you could have been interviewing he could have been interviewing we could have been interviewing you could have been interviewing they could have been interviewing
Negation
Simple form
I could not interview you could not interview he could not interview we could not interview you could not interview they could not interview
V-ing form
I could not be interviewing you could not be interviewing he could not be interviewing we could not be interviewing you could not be interviewing they could not be interviewing
Perfect
I could not have interviewed you could not have interviewed he could not have interviewed we could not have interviewed you could not have interviewed they could not have interviewed
V-ing perfect
I could not have been interviewing you could not have been interviewing he could not have been interviewing we could not have been interviewing you could not have been interviewing they could not have been interviewing
Interrogative form
Simple form
could I interview? could you interview? could he interview? could we interview? could you interview? could they interview?
V-ing form
could I be interviewing? could you be interviewing? could he be interviewing? could we be interviewing? could you be interviewing? could they be interviewing?
Perfect
could I have interviewed? could you have interviewed? could he have interviewed? could we have interviewed? could you have interviewed? could they have interviewed?
V-ing perfect
could I have been interviewing? could you have been interviewing? could he have been interviewing? could we have been interviewing? could you have been interviewing? could they have been interviewing?
Interro-negative form
Simple form
could I not interview? could you not interview? could he not interview? could we not interview? could you not interview? could they not interview?
V-ing form
could I not be interviewing? could you not be interviewing? could he not be interviewing? could we not be interviewing? could you not be interviewing? could they not be interviewing?
Perfect
could I not have interviewed? could you not have interviewed? could he not have interviewed? could we not have interviewed? could you not have interviewed? could they not have interviewed?
V-ing perfect
could I not have been interviewing? could you not have been interviewing? could he not have been interviewing? could we not have been interviewing? could you not have been interviewing? could they not have been interviewing?