I could exhort you could exhort she could exhort we could exhort you could exhort they could exhort
V-ing form
I could be exhorting you could be exhorting she could be exhorting we could be exhorting you could be exhorting they could be exhorting
Perfect
I could have exhorted you could have exhorted she 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 she could have been exhorting we could have been exhorting you could have been exhorting they could have been exhorting
Negation
Simple form
I couldn't exhort you couldn't exhort she couldn't exhort we couldn't exhort you couldn't exhort they couldn't exhort
V-ing form
I couldn't be exhorting you couldn't be exhorting she couldn't be exhorting we couldn't be exhorting you couldn't be exhorting they couldn't be exhorting
Perfect
I couldn't have exhorted you couldn't have exhorted she couldn't have exhorted we couldn't have exhorted you couldn't have exhorted they couldn't have exhorted
V-ing perfect
I couldn't have been exhorting you couldn't have been exhorting she couldn't have been exhorting we couldn't have been exhorting you couldn't have been exhorting they couldn't have been exhorting
Interrogative form
Simple form
could I exhort? could you exhort? could she exhort? could we exhort? could you exhort? could they exhort?
V-ing form
could I be exhorting? could you be exhorting? could she be exhorting? could we be exhorting? could you be exhorting? could they be exhorting?
Perfect
could I have exhorted? could you have exhorted? could she 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 she have been exhorting? could we have been exhorting? could you have been exhorting? could they have been exhorting?
Interro-negative form
Simple form
couldn't I exhort? couldn't you exhort? couldn't she exhort? couldn't we exhort? couldn't you exhort? couldn't they exhort?
V-ing form
couldn't I be exhorting? couldn't you be exhorting? couldn't she be exhorting? couldn't we be exhorting? couldn't you be exhorting? couldn't they be exhorting?
Perfect
couldn't I have exhorted? couldn't you have exhorted? couldn't she have exhorted? couldn't we have exhorted? couldn't you have exhorted? couldn't they have exhorted?
V-ing perfect
couldn't I have been exhorting? couldn't you have been exhorting? couldn't she have been exhorting? couldn't we have been exhorting? couldn't you have been exhorting? couldn't they have been exhorting?