I must operate you must operate he must operate we must operate you must operate they must operate
Form mit V-ing
I must be operating you must be operating he must be operating we must be operating you must be operating they must be operating
Perfekt
I must have operated you must have operated he must have operated we must have operated you must have operated they must have operated
Perfekt mit V-ing
I must have been operating you must have been operating he must have been operating we must have been operating you must have been operating they must have been operating
Negation
Einfache Form
I mustn't operate you mustn't operate he mustn't operate we mustn't operate you mustn't operate they mustn't operate
Form mit V-ing
I mustn't be operating you mustn't be operating he mustn't be operating we mustn't be operating you mustn't be operating they mustn't be operating
Perfekt
I mustn't have operated you mustn't have operated he mustn't have operated we mustn't have operated you mustn't have operated they mustn't have operated
Perfekt mit V-ing
I mustn't have been operating you mustn't have been operating he mustn't have been operating we mustn't have been operating you mustn't have been operating they mustn't have been operating
Fragende Form
Einfache Form
must I operate? must you operate? must he operate? must we operate? must you operate? must they operate?
Form mit V-ing
must I be operating? must you be operating? must he be operating? must we be operating? must you be operating? must they be operating?
Perfekt
must I have operated? must you have operated? must he have operated? must we have operated? must you have operated? must they have operated?
Perfekt mit V-ing
must I have been operating? must you have been operating? must he have been operating? must we have been operating? must you have been operating? must they have been operating?
Fragende Negation Form
Einfache Form
mustn't I operate? mustn't you operate? mustn't he operate? mustn't we operate? mustn't you operate? mustn't they operate?
Form mit V-ing
mustn't I be operating? mustn't you be operating? mustn't he be operating? mustn't we be operating? mustn't you be operating? mustn't they be operating?
Perfekt
mustn't I have operated? mustn't you have operated? mustn't he have operated? mustn't we have operated? mustn't you have operated? mustn't they have operated?
Perfekt mit V-ing
mustn't I have been operating? mustn't you have been operating? mustn't he have been operating? mustn't we have been operating? mustn't you have been operating? mustn't they have been operating?