I must validate you must validate he must validate we must validate you must validate they must validate
Forme en V-ing
I must be validating you must be validating he must be validating we must be validating you must be validating they must be validating
Perfect
I must have validated you must have validated he must have validated we must have validated you must have validated they must have validated
Perfect en V-ing
I must have been validating you must have been validating he must have been validating we must have been validating you must have been validating they must have been validating
Négation
Forme simple
I mustn't validate you mustn't validate he mustn't validate we mustn't validate you mustn't validate they mustn't validate
Forme en V-ing
I mustn't be validating you mustn't be validating he mustn't be validating we mustn't be validating you mustn't be validating they mustn't be validating
Perfect
I mustn't have validated you mustn't have validated he mustn't have validated we mustn't have validated you mustn't have validated they mustn't have validated
Perfect en V-ing
I mustn't have been validating you mustn't have been validating he mustn't have been validating we mustn't have been validating you mustn't have been validating they mustn't have been validating
Forme interrogative
Forme simple
must I validate? must you validate? must he validate? must we validate? must you validate? must they validate?
Forme en V-ing
must I be validating? must you be validating? must he be validating? must we be validating? must you be validating? must they be validating?
Perfect
must I have validated? must you have validated? must he have validated? must we have validated? must you have validated? must they have validated?
Perfect en V-ing
must I have been validating? must you have been validating? must he have been validating? must we have been validating? must you have been validating? must they have been validating?
Forme interro-négative
Forme simple
mustn't I validate? mustn't you validate? mustn't he validate? mustn't we validate? mustn't you validate? mustn't they validate?
Forme en V-ing
mustn't I be validating? mustn't you be validating? mustn't he be validating? mustn't we be validating? mustn't you be validating? mustn't they be validating?
Perfect
mustn't I have validated? mustn't you have validated? mustn't he have validated? mustn't we have validated? mustn't you have validated? mustn't they have validated?
Perfect en V-ing
mustn't I have been validating? mustn't you have been validating? mustn't he have been validating? mustn't we have been validating? mustn't you have been validating? mustn't they have been validating?