I must stiff-arm you must stiff-arm she must stiff-arm we must stiff-arm you must stiff-arm they must stiff-arm
Forme en V-ing
I must be stiff-arming you must be stiff-arming she must be stiff-arming we must be stiff-arming you must be stiff-arming they must be stiff-arming
Perfect
I must have stiff-armed you must have stiff-armed she must have stiff-armed we must have stiff-armed you must have stiff-armed they must have stiff-armed
Perfect en V-ing
I must have been stiff-arming you must have been stiff-arming she must have been stiff-arming we must have been stiff-arming you must have been stiff-arming they must have been stiff-arming
Négation
Forme simple
I must not stiff-arm you must not stiff-arm she must not stiff-arm we must not stiff-arm you must not stiff-arm they must not stiff-arm
Forme en V-ing
I must not be stiff-arming you must not be stiff-arming she must not be stiff-arming we must not be stiff-arming you must not be stiff-arming they must not be stiff-arming
Perfect
I must not have stiff-armed you must not have stiff-armed she must not have stiff-armed we must not have stiff-armed you must not have stiff-armed they must not have stiff-armed
Perfect en V-ing
I must not have been stiff-arming you must not have been stiff-arming she must not have been stiff-arming we must not have been stiff-arming you must not have been stiff-arming they must not have been stiff-arming
Forme interrogative
Forme simple
must I stiff-arm? must you stiff-arm? must she stiff-arm? must we stiff-arm? must you stiff-arm? must they stiff-arm?
Forme en V-ing
must I be stiff-arming? must you be stiff-arming? must she be stiff-arming? must we be stiff-arming? must you be stiff-arming? must they be stiff-arming?
Perfect
must I have stiff-armed? must you have stiff-armed? must she have stiff-armed? must we have stiff-armed? must you have stiff-armed? must they have stiff-armed?
Perfect en V-ing
must I have been stiff-arming? must you have been stiff-arming? must she have been stiff-arming? must we have been stiff-arming? must you have been stiff-arming? must they have been stiff-arming?
Forme interro-négative
Forme simple
must I not stiff-arm? must you not stiff-arm? must she not stiff-arm? must we not stiff-arm? must you not stiff-arm? must they not stiff-arm?
Forme en V-ing
must I not be stiff-arming? must you not be stiff-arming? must she not be stiff-arming? must we not be stiff-arming? must you not be stiff-arming? must they not be stiff-arming?
Perfect
must I not have stiff-armed? must you not have stiff-armed? must she not have stiff-armed? must we not have stiff-armed? must you not have stiff-armed? must they not have stiff-armed?
Perfect en V-ing
must I not have been stiff-arming? must you not have been stiff-arming? must she not have been stiff-arming? must we not have been stiff-arming? must you not have been stiff-arming? must they not have been stiff-arming?