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