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