I must featheredge you must featheredge she must featheredge we must featheredge you must featheredge they must featheredge
Forme en V-ing
I must be featheredging you must be featheredging she must be featheredging we must be featheredging you must be featheredging they must be featheredging
Perfect
I must have featheredged you must have featheredged she 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 she 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 she 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 she 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 she 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 she 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 she featheredge? must we featheredge? must you featheredge? must they featheredge?
Forme en V-ing
must I be featheredging? must you be featheredging? must she be featheredging? must we be featheredging? must you be featheredging? must they be featheredging?
Perfect
must I have featheredged? must you have featheredged? must she 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 she 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 she 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 she 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 she 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 she have been featheredging? mustn't we have been featheredging? mustn't you have been featheredging? mustn't they have been featheredging?