I must staple you must staple she must staple we must staple you must staple they must staple
Forme en V-ing
I must be stapling you must be stapling she must be stapling we must be stapling you must be stapling they must be stapling
Perfect
I must have stapled you must have stapled she must have stapled we must have stapled you must have stapled they must have stapled
Perfect en V-ing
I must have been stapling you must have been stapling she must have been stapling we must have been stapling you must have been stapling they must have been stapling
Négation
Forme simple
I must not staple you must not staple she must not staple we must not staple you must not staple they must not staple
Forme en V-ing
I must not be stapling you must not be stapling she must not be stapling we must not be stapling you must not be stapling they must not be stapling
Perfect
I must not have stapled you must not have stapled she must not have stapled we must not have stapled you must not have stapled they must not have stapled
Perfect en V-ing
I must not have been stapling you must not have been stapling she must not have been stapling we must not have been stapling you must not have been stapling they must not have been stapling
Forme interrogative
Forme simple
must I staple? must you staple? must she staple? must we staple? must you staple? must they staple?
Forme en V-ing
must I be stapling? must you be stapling? must she be stapling? must we be stapling? must you be stapling? must they be stapling?
Perfect
must I have stapled? must you have stapled? must she have stapled? must we have stapled? must you have stapled? must they have stapled?
Perfect en V-ing
must I have been stapling? must you have been stapling? must she have been stapling? must we have been stapling? must you have been stapling? must they have been stapling?
Forme interro-négative
Forme simple
must I not staple? must you not staple? must she not staple? must we not staple? must you not staple? must they not staple?
Forme en V-ing
must I not be stapling? must you not be stapling? must she not be stapling? must we not be stapling? must you not be stapling? must they not be stapling?
Perfect
must I not have stapled? must you not have stapled? must she not have stapled? must we not have stapled? must you not have stapled? must they not have stapled?
Perfect en V-ing
must I not have been stapling? must you not have been stapling? must she not have been stapling? must we not have been stapling? must you not have been stapling? must they not have been stapling?