could aggress
Verbe régulier : aggress - aggressed- aggressed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could aggress
you could aggress
he could aggress
we could aggress
you could aggress
they could aggress 	I could be aggressing
you could be aggressing
he could be aggressing
we could be aggressing
you could be aggressing
they could be aggressing	I could have aggressed
you could have aggressed
he could have aggressed
we could have aggressed
you could have aggressed
they could have aggressed	I could have been aggressing
you could have been aggressing
he could have been aggressing
we could have been aggressing
you could have been aggressing
they could have been aggressing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't aggress
you couldn't aggress
he couldn't aggress
we couldn't aggress
you couldn't aggress
they couldn't aggress 	I couldn't be aggressing
you couldn't be aggressing
he couldn't be aggressing
we couldn't be aggressing
you couldn't be aggressing
they couldn't be aggressing	I couldn't have aggressed
you couldn't have aggressed
he couldn't have aggressed
we couldn't have aggressed
you couldn't have aggressed
they couldn't have aggressed	I couldn't have been aggressing
you couldn't have been aggressing
he couldn't have been aggressing
we couldn't have been aggressing
you couldn't have been aggressing
they couldn't have been aggressing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I aggress?
could you aggress?
could he aggress?
could we aggress?
could you aggress?
could they aggress? 	could I be aggressing?
could you be aggressing?
could he be aggressing?
could we be aggressing?
could you be aggressing?
could they be aggressing? 	could I have aggressed?
could you have aggressed?
could he have aggressed?
could we have aggressed?
could you have aggressed?
could they have aggressed? 	could I have been aggressing?
could you have been aggressing?
could he have been aggressing?
could we have been aggressing?
could you have been aggressing?
could they have been aggressing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I aggress?
couldn't you aggress?
couldn't he aggress?
couldn't we aggress?
couldn't you aggress?
couldn't they aggress? 	couldn't I be aggressing?
couldn't you be aggressing?
couldn't he be aggressing?
couldn't we be aggressing?
couldn't you be aggressing?
couldn't they be aggressing? 	couldn't I have aggressed?
couldn't you have aggressed?
couldn't he have aggressed?
couldn't we have aggressed?
couldn't you have aggressed?
couldn't they have aggressed? 	couldn't I have been aggressing?
couldn't you have been aggressing?
couldn't he have been aggressing?
couldn't we have been aggressing?
couldn't you have been aggressing?
couldn't they have been aggressing?