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