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 must not lightning you must not lightning she must not lightning we must not lightning you must not lightning they must not lightning
Forme en V-ing
I must not be lightninging you must not be lightninging she must not be lightninging we must not be lightninging you must not be lightninging they must not be lightninging
Perfect
I must not have lightninged you must not have lightninged she must not have lightninged we must not have lightninged you must not have lightninged they must not have lightninged
Perfect en V-ing
I must not have been lightninging you must not have been lightninging she must not have been lightninging we must not have been lightninging you must not have been lightninging they must not 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
must I not lightning? must you not lightning? must she not lightning? must we not lightning? must you not lightning? must they not lightning?
Forme en V-ing
must I not be lightninging? must you not be lightninging? must she not be lightninging? must we not be lightninging? must you not be lightninging? must they not be lightninging?
Perfect
must I not have lightninged? must you not have lightninged? must she not have lightninged? must we not have lightninged? must you not have lightninged? must they not have lightninged?
Perfect en V-ing
must I not have been lightninging? must you not have been lightninging? must she not have been lightninging? must we not have been lightninging? must you not have been lightninging? must they not have been lightninging?