I could exonerate you could exonerate she could exonerate we could exonerate you could exonerate they could exonerate
V-ing form
I could be exonerating you could be exonerating she could be exonerating we could be exonerating you could be exonerating they could be exonerating
Perfect
I could have exonerated you could have exonerated she could have exonerated we could have exonerated you could have exonerated they could have exonerated
V-ing perfect
I could have been exonerating you could have been exonerating she could have been exonerating we could have been exonerating you could have been exonerating they could have been exonerating
Negation
Simple form
I could not exonerate you could not exonerate she could not exonerate we could not exonerate you could not exonerate they could not exonerate
V-ing form
I could not be exonerating you could not be exonerating she could not be exonerating we could not be exonerating you could not be exonerating they could not be exonerating
Perfect
I could not have exonerated you could not have exonerated she could not have exonerated we could not have exonerated you could not have exonerated they could not have exonerated
V-ing perfect
I could not have been exonerating you could not have been exonerating she could not have been exonerating we could not have been exonerating you could not have been exonerating they could not have been exonerating
Interrogative form
Simple form
could I exonerate? could you exonerate? could she exonerate? could we exonerate? could you exonerate? could they exonerate?
V-ing form
could I be exonerating? could you be exonerating? could she be exonerating? could we be exonerating? could you be exonerating? could they be exonerating?
Perfect
could I have exonerated? could you have exonerated? could she have exonerated? could we have exonerated? could you have exonerated? could they have exonerated?
V-ing perfect
could I have been exonerating? could you have been exonerating? could she have been exonerating? could we have been exonerating? could you have been exonerating? could they have been exonerating?
Interro-negative form
Simple form
could I not exonerate? could you not exonerate? could she not exonerate? could we not exonerate? could you not exonerate? could they not exonerate?
V-ing form
could I not be exonerating? could you not be exonerating? could she not be exonerating? could we not be exonerating? could you not be exonerating? could they not be exonerating?
Perfect
could I not have exonerated? could you not have exonerated? could she not have exonerated? could we not have exonerated? could you not have exonerated? could they not have exonerated?
V-ing perfect
could I not have been exonerating? could you not have been exonerating? could she not have been exonerating? could we not have been exonerating? could you not have been exonerating? could they not have been exonerating?