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