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