I could aggress you could aggress she could aggress we could aggress you could aggress they could aggress
V-ing form
I could be aggressing you could be aggressing she could be aggressing we could be aggressing you could be aggressing they could be aggressing
Perfect
I could have aggressed you could have aggressed she could have aggressed we could have aggressed you could have aggressed they could have aggressed
V-ing perfect
I could have been aggressing you could have been aggressing she could have been aggressing we could have been aggressing you could have been aggressing they could have been aggressing
Negation
Simple form
I could not aggress you could not aggress she could not aggress we could not aggress you could not aggress they could not aggress
V-ing form
I could not be aggressing you could not be aggressing she could not be aggressing we could not be aggressing you could not be aggressing they could not be aggressing
Perfect
I could not have aggressed you could not have aggressed she could not have aggressed we could not have aggressed you could not have aggressed they could not have aggressed
V-ing perfect
I could not have been aggressing you could not have been aggressing she could not have been aggressing we could not have been aggressing you could not have been aggressing they could not have been aggressing
Interrogative form
Simple form
could I aggress? could you aggress? could she aggress? could we aggress? could you aggress? could they aggress?
V-ing form
could I be aggressing? could you be aggressing? could she be aggressing? could we be aggressing? could you be aggressing? could they be aggressing?
Perfect
could I have aggressed? could you have aggressed? could she have aggressed? could we have aggressed? could you have aggressed? could they have aggressed?
V-ing perfect
could I have been aggressing? could you have been aggressing? could she have been aggressing? could we have been aggressing? could you have been aggressing? could they have been aggressing?
Interro-negative form
Simple form
could I not aggress? could you not aggress? could she not aggress? could we not aggress? could you not aggress? could they not aggress?
V-ing form
could I not be aggressing? could you not be aggressing? could she not be aggressing? could we not be aggressing? could you not be aggressing? could they not be aggressing?
Perfect
could I not have aggressed? could you not have aggressed? could she not have aggressed? could we not have aggressed? could you not have aggressed? could they not have aggressed?
V-ing perfect
could I not have been aggressing? could you not have been aggressing? could she not have been aggressing? could we not have been aggressing? could you not have been aggressing? could they not have been aggressing?