I must stridulate you must stridulate he must stridulate we must stridulate you must stridulate they must stridulate
Forme en V-ing
I must be stridulating you must be stridulating he must be stridulating we must be stridulating you must be stridulating they must be stridulating
Perfect
I must have stridulated you must have stridulated he must have stridulated we must have stridulated you must have stridulated they must have stridulated
Perfect en V-ing
I must have been stridulating you must have been stridulating he must have been stridulating we must have been stridulating you must have been stridulating they must have been stridulating
Négation
Forme simple
I mustn't stridulate you mustn't stridulate he mustn't stridulate we mustn't stridulate you mustn't stridulate they mustn't stridulate
Forme en V-ing
I mustn't be stridulating you mustn't be stridulating he mustn't be stridulating we mustn't be stridulating you mustn't be stridulating they mustn't be stridulating
Perfect
I mustn't have stridulated you mustn't have stridulated he mustn't have stridulated we mustn't have stridulated you mustn't have stridulated they mustn't have stridulated
Perfect en V-ing
I mustn't have been stridulating you mustn't have been stridulating he mustn't have been stridulating we mustn't have been stridulating you mustn't have been stridulating they mustn't have been stridulating
Forme interrogative
Forme simple
must I stridulate? must you stridulate? must he stridulate? must we stridulate? must you stridulate? must they stridulate?
Forme en V-ing
must I be stridulating? must you be stridulating? must he be stridulating? must we be stridulating? must you be stridulating? must they be stridulating?
Perfect
must I have stridulated? must you have stridulated? must he have stridulated? must we have stridulated? must you have stridulated? must they have stridulated?
Perfect en V-ing
must I have been stridulating? must you have been stridulating? must he have been stridulating? must we have been stridulating? must you have been stridulating? must they have been stridulating?
Forme interro-négative
Forme simple
mustn't I stridulate? mustn't you stridulate? mustn't he stridulate? mustn't we stridulate? mustn't you stridulate? mustn't they stridulate?
Forme en V-ing
mustn't I be stridulating? mustn't you be stridulating? mustn't he be stridulating? mustn't we be stridulating? mustn't you be stridulating? mustn't they be stridulating?
Perfect
mustn't I have stridulated? mustn't you have stridulated? mustn't he have stridulated? mustn't we have stridulated? mustn't you have stridulated? mustn't they have stridulated?
Perfect en V-ing
mustn't I have been stridulating? mustn't you have been stridulating? mustn't he have been stridulating? mustn't we have been stridulating? mustn't you have been stridulating? mustn't they have been stridulating?