must invalid invalid invalid invalid invalid invalid invalid invalid
Verbe régulier : invalid invalid invalid invalid invalid invalid invalid invalid - invalid invalid invalid invalid invalid invalid invalid invalided- invalid invalid invalid invalid invalid invalid invalid invalided

, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must invalid invalid invalid invalid invalid invalid invalid invalid
you must invalid invalid invalid invalid invalid invalid invalid invalid
he must invalid invalid invalid invalid invalid invalid invalid invalid
we must invalid invalid invalid invalid invalid invalid invalid invalid
you must invalid invalid invalid invalid invalid invalid invalid invalid
they must invalid invalid invalid invalid invalid invalid invalid invalid 	I must be invalid invalid invalid invalid invalid invalid invalid invaliding
you must be invalid invalid invalid invalid invalid invalid invalid invaliding
he must be invalid invalid invalid invalid invalid invalid invalid invaliding
we must be invalid invalid invalid invalid invalid invalid invalid invaliding
you must be invalid invalid invalid invalid invalid invalid invalid invaliding
they must be invalid invalid invalid invalid invalid invalid invalid invaliding	I must have invalid invalid invalid invalid invalid invalid invalid invalided
you must have invalid invalid invalid invalid invalid invalid invalid invalided
he must have invalid invalid invalid invalid invalid invalid invalid invalided
we must have invalid invalid invalid invalid invalid invalid invalid invalided
you must have invalid invalid invalid invalid invalid invalid invalid invalided
they must have invalid invalid invalid invalid invalid invalid invalid invalided	I must have been invalid invalid invalid invalid invalid invalid invalid invaliding
you must have been invalid invalid invalid invalid invalid invalid invalid invaliding
he must have been invalid invalid invalid invalid invalid invalid invalid invaliding
we must have been invalid invalid invalid invalid invalid invalid invalid invaliding
you must have been invalid invalid invalid invalid invalid invalid invalid invaliding
they must have been invalid invalid invalid invalid invalid invalid invalid invaliding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't invalid invalid invalid invalid invalid invalid invalid invalid
you mustn't invalid invalid invalid invalid invalid invalid invalid invalid
he mustn't invalid invalid invalid invalid invalid invalid invalid invalid
we mustn't invalid invalid invalid invalid invalid invalid invalid invalid
you mustn't invalid invalid invalid invalid invalid invalid invalid invalid
they mustn't invalid invalid invalid invalid invalid invalid invalid invalid 	I mustn't be invalid invalid invalid invalid invalid invalid invalid invaliding
you mustn't be invalid invalid invalid invalid invalid invalid invalid invaliding
he mustn't be invalid invalid invalid invalid invalid invalid invalid invaliding
we mustn't be invalid invalid invalid invalid invalid invalid invalid invaliding
you mustn't be invalid invalid invalid invalid invalid invalid invalid invaliding
they mustn't be invalid invalid invalid invalid invalid invalid invalid invaliding	I mustn't have invalid invalid invalid invalid invalid invalid invalid invalided
you mustn't have invalid invalid invalid invalid invalid invalid invalid invalided
he mustn't have invalid invalid invalid invalid invalid invalid invalid invalided
we mustn't have invalid invalid invalid invalid invalid invalid invalid invalided
you mustn't have invalid invalid invalid invalid invalid invalid invalid invalided
they mustn't have invalid invalid invalid invalid invalid invalid invalid invalided	I mustn't have been invalid invalid invalid invalid invalid invalid invalid invaliding
you mustn't have been invalid invalid invalid invalid invalid invalid invalid invaliding
he mustn't have been invalid invalid invalid invalid invalid invalid invalid invaliding
we mustn't have been invalid invalid invalid invalid invalid invalid invalid invaliding
you mustn't have been invalid invalid invalid invalid invalid invalid invalid invaliding
they mustn't have been invalid invalid invalid invalid invalid invalid invalid invaliding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I invalid invalid invalid invalid invalid invalid invalid invalid?
must you invalid invalid invalid invalid invalid invalid invalid invalid?
must he invalid invalid invalid invalid invalid invalid invalid invalid?
must we invalid invalid invalid invalid invalid invalid invalid invalid?
must you invalid invalid invalid invalid invalid invalid invalid invalid?
must they invalid invalid invalid invalid invalid invalid invalid invalid? 	must I be invalid invalid invalid invalid invalid invalid invalid invaliding?
must you be invalid invalid invalid invalid invalid invalid invalid invaliding?
must he be invalid invalid invalid invalid invalid invalid invalid invaliding?
must we be invalid invalid invalid invalid invalid invalid invalid invaliding?
must you be invalid invalid invalid invalid invalid invalid invalid invaliding?
must they be invalid invalid invalid invalid invalid invalid invalid invaliding? 	must I have invalid invalid invalid invalid invalid invalid invalid invalided?
must you have invalid invalid invalid invalid invalid invalid invalid invalided?
must he have invalid invalid invalid invalid invalid invalid invalid invalided?
must we have invalid invalid invalid invalid invalid invalid invalid invalided?
must you have invalid invalid invalid invalid invalid invalid invalid invalided?
must they have invalid invalid invalid invalid invalid invalid invalid invalided? 	must I have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must you have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must he have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must we have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must you have been invalid invalid invalid invalid invalid invalid invalid invaliding?
must they have been invalid invalid invalid invalid invalid invalid invalid invaliding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I invalid invalid invalid invalid invalid invalid invalid invalid?
mustn't you invalid invalid invalid invalid invalid invalid invalid invalid?
mustn't he invalid invalid invalid invalid invalid invalid invalid invalid?
mustn't we invalid invalid invalid invalid invalid invalid invalid invalid?
mustn't you invalid invalid invalid invalid invalid invalid invalid invalid?
mustn't they invalid invalid invalid invalid invalid invalid invalid invalid? 	mustn't I be invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't you be invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't he be invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't we be invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't you be invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't they be invalid invalid invalid invalid invalid invalid invalid invaliding? 	mustn't I have invalid invalid invalid invalid invalid invalid invalid invalided?
mustn't you have invalid invalid invalid invalid invalid invalid invalid invalided?
mustn't he have invalid invalid invalid invalid invalid invalid invalid invalided?
mustn't we have invalid invalid invalid invalid invalid invalid invalid invalided?
mustn't you have invalid invalid invalid invalid invalid invalid invalid invalided?
mustn't they have invalid invalid invalid invalid invalid invalid invalid invalided? 	mustn't I have been invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't you have been invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't he have been invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't we have been invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't you have been invalid invalid invalid invalid invalid invalid invalid invaliding?
mustn't they have been invalid invalid invalid invalid invalid invalid invalid invaliding?