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