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