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