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