I must surf you must surf he must surf we must surf you must surf they must surf
Form mit V-ing
I must be surfing you must be surfing he must be surfing we must be surfing you must be surfing they must be surfing
Perfekt
I must have surfed you must have surfed he must have surfed we must have surfed you must have surfed they must have surfed
Perfekt mit V-ing
I must have been surfing you must have been surfing he must have been surfing we must have been surfing you must have been surfing they must have been surfing
Negation
Einfache Form
I mustn't surf you mustn't surf he mustn't surf we mustn't surf you mustn't surf they mustn't surf
Form mit V-ing
I mustn't be surfing you mustn't be surfing he mustn't be surfing we mustn't be surfing you mustn't be surfing they mustn't be surfing
Perfekt
I mustn't have surfed you mustn't have surfed he mustn't have surfed we mustn't have surfed you mustn't have surfed they mustn't have surfed
Perfekt mit V-ing
I mustn't have been surfing you mustn't have been surfing he mustn't have been surfing we mustn't have been surfing you mustn't have been surfing they mustn't have been surfing
Fragende Form
Einfache Form
must I surf? must you surf? must he surf? must we surf? must you surf? must they surf?
Form mit V-ing
must I be surfing? must you be surfing? must he be surfing? must we be surfing? must you be surfing? must they be surfing?
Perfekt
must I have surfed? must you have surfed? must he have surfed? must we have surfed? must you have surfed? must they have surfed?
Perfekt mit V-ing
must I have been surfing? must you have been surfing? must he have been surfing? must we have been surfing? must you have been surfing? must they have been surfing?
Fragende Negation Form
Einfache Form
mustn't I surf? mustn't you surf? mustn't he surf? mustn't we surf? mustn't you surf? mustn't they surf?
Form mit V-ing
mustn't I be surfing? mustn't you be surfing? mustn't he be surfing? mustn't we be surfing? mustn't you be surfing? mustn't they be surfing?
Perfekt
mustn't I have surfed? mustn't you have surfed? mustn't he have surfed? mustn't we have surfed? mustn't you have surfed? mustn't they have surfed?
Perfekt mit V-ing
mustn't I have been surfing? mustn't you have been surfing? mustn't he have been surfing? mustn't we have been surfing? mustn't you have been surfing? mustn't they have been surfing?