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