I could exhort you could exhort he could exhort we could exhort you could exhort they could exhort
V-ing form
I could be exhorting you could be exhorting he could be exhorting we could be exhorting you could be exhorting they could be exhorting
Perfect
I could have exhorted you could have exhorted he could have exhorted we could have exhorted you could have exhorted they could have exhorted
V-ing perfect
I could have been exhorting you could have been exhorting he could have been exhorting we could have been exhorting you could have been exhorting they could have been exhorting
Negation
Simple form
I could not exhort you could not exhort he could not exhort we could not exhort you could not exhort they could not exhort
V-ing form
I could not be exhorting you could not be exhorting he could not be exhorting we could not be exhorting you could not be exhorting they could not be exhorting
Perfect
I could not have exhorted you could not have exhorted he could not have exhorted we could not have exhorted you could not have exhorted they could not have exhorted
V-ing perfect
I could not have been exhorting you could not have been exhorting he could not have been exhorting we could not have been exhorting you could not have been exhorting they could not have been exhorting
Interrogative form
Simple form
could I exhort? could you exhort? could he exhort? could we exhort? could you exhort? could they exhort?
V-ing form
could I be exhorting? could you be exhorting? could he be exhorting? could we be exhorting? could you be exhorting? could they be exhorting?
Perfect
could I have exhorted? could you have exhorted? could he have exhorted? could we have exhorted? could you have exhorted? could they have exhorted?
V-ing perfect
could I have been exhorting? could you have been exhorting? could he have been exhorting? could we have been exhorting? could you have been exhorting? could they have been exhorting?
Interro-negative form
Simple form
could I not exhort? could you not exhort? could he not exhort? could we not exhort? could you not exhort? could they not exhort?
V-ing form
could I not be exhorting? could you not be exhorting? could he not be exhorting? could we not be exhorting? could you not be exhorting? could they not be exhorting?
Perfect
could I not have exhorted? could you not have exhorted? could he not have exhorted? could we not have exhorted? could you not have exhorted? could they not have exhorted?
V-ing perfect
could I not have been exhorting? could you not have been exhorting? could he not have been exhorting? could we not have been exhorting? could you not have been exhorting? could they not have been exhorting?