I must birdie you must birdie she must birdie we must birdie you must birdie they must birdie
Forme en V-ing
I must be birdying you must be birdying she must be birdying we must be birdying you must be birdying they must be birdying
Perfect
I must have birdied you must have birdied she must have birdied we must have birdied you must have birdied they must have birdied
Perfect en V-ing
I must have been birdying you must have been birdying she must have been birdying we must have been birdying you must have been birdying they must have been birdying
Négation
Forme simple
I mustn't birdie you mustn't birdie she mustn't birdie we mustn't birdie you mustn't birdie they mustn't birdie
Forme en V-ing
I mustn't be birdying you mustn't be birdying she mustn't be birdying we mustn't be birdying you mustn't be birdying they mustn't be birdying
Perfect
I mustn't have birdied you mustn't have birdied she mustn't have birdied we mustn't have birdied you mustn't have birdied they mustn't have birdied
Perfect en V-ing
I mustn't have been birdying you mustn't have been birdying she mustn't have been birdying we mustn't have been birdying you mustn't have been birdying they mustn't have been birdying
Forme interrogative
Forme simple
must I birdie? must you birdie? must she birdie? must we birdie? must you birdie? must they birdie?
Forme en V-ing
must I be birdying? must you be birdying? must she be birdying? must we be birdying? must you be birdying? must they be birdying?
Perfect
must I have birdied? must you have birdied? must she have birdied? must we have birdied? must you have birdied? must they have birdied?
Perfect en V-ing
must I have been birdying? must you have been birdying? must she have been birdying? must we have been birdying? must you have been birdying? must they have been birdying?
Forme interro-négative
Forme simple
mustn't I birdie? mustn't you birdie? mustn't she birdie? mustn't we birdie? mustn't you birdie? mustn't they birdie?
Forme en V-ing
mustn't I be birdying? mustn't you be birdying? mustn't she be birdying? mustn't we be birdying? mustn't you be birdying? mustn't they be birdying?
Perfect
mustn't I have birdied? mustn't you have birdied? mustn't she have birdied? mustn't we have birdied? mustn't you have birdied? mustn't they have birdied?
Perfect en V-ing
mustn't I have been birdying? mustn't you have been birdying? mustn't she have been birdying? mustn't we have been birdying? mustn't you have been birdying? mustn't they have been birdying?