must aggress
Regular verb: aggress - aggressed- aggressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must aggress
you must aggress
he must aggress
we must aggress
you must aggress
they must aggress 	I must be aggressing
you must be aggressing
he must be aggressing
we must be aggressing
you must be aggressing
they must be aggressing	I must have aggressed
you must have aggressed
he must have aggressed
we must have aggressed
you must have aggressed
they must have aggressed	I must have been aggressing
you must have been aggressing
he must have been aggressing
we must have been aggressing
you must have been aggressing
they must have been aggressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't aggress
you mustn't aggress
he mustn't aggress
we mustn't aggress
you mustn't aggress
they mustn't aggress 	I mustn't be aggressing
you mustn't be aggressing
he mustn't be aggressing
we mustn't be aggressing
you mustn't be aggressing
they mustn't be aggressing	I mustn't have aggressed
you mustn't have aggressed
he mustn't have aggressed
we mustn't have aggressed
you mustn't have aggressed
they mustn't have aggressed	I mustn't have been aggressing
you mustn't have been aggressing
he mustn't have been aggressing
we mustn't have been aggressing
you mustn't have been aggressing
they mustn't have been aggressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I aggress?
must you aggress?
must he aggress?
must we aggress?
must you aggress?
must they aggress? 	must I be aggressing?
must you be aggressing?
must he be aggressing?
must we be aggressing?
must you be aggressing?
must they be aggressing? 	must I have aggressed?
must you have aggressed?
must he have aggressed?
must we have aggressed?
must you have aggressed?
must they have aggressed? 	must I have been aggressing?
must you have been aggressing?
must he have been aggressing?
must we have been aggressing?
must you have been aggressing?
must they have been aggressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I aggress?
mustn't you aggress?
mustn't he aggress?
mustn't we aggress?
mustn't you aggress?
mustn't they aggress? 	mustn't I be aggressing?
mustn't you be aggressing?
mustn't he be aggressing?
mustn't we be aggressing?
mustn't you be aggressing?
mustn't they be aggressing? 	mustn't I have aggressed?
mustn't you have aggressed?
mustn't he have aggressed?
mustn't we have aggressed?
mustn't you have aggressed?
mustn't they have aggressed? 	mustn't I have been aggressing?
mustn't you have been aggressing?
mustn't he have been aggressing?
mustn't we have been aggressing?
mustn't you have been aggressing?
mustn't they have been aggressing?