I must use you must use he must use we must use you must use they must use
Form mit V-ing
I must be using you must be using he must be using we must be using you must be using they must be using
Perfekt
I must have used you must have used he must have used we must have used you must have used they must have used
Perfekt mit V-ing
I must have been using you must have been using he must have been using we must have been using you must have been using they must have been using
Negation
Einfache Form
I mustn't use you mustn't use he mustn't use we mustn't use you mustn't use they mustn't use
Form mit V-ing
I mustn't be using you mustn't be using he mustn't be using we mustn't be using you mustn't be using they mustn't be using
Perfekt
I mustn't have used you mustn't have used he mustn't have used we mustn't have used you mustn't have used they mustn't have used
Perfekt mit V-ing
I mustn't have been using you mustn't have been using he mustn't have been using we mustn't have been using you mustn't have been using they mustn't have been using
Fragende Form
Einfache Form
must I use? must you use? must he use? must we use? must you use? must they use?
Form mit V-ing
must I be using? must you be using? must he be using? must we be using? must you be using? must they be using?
Perfekt
must I have used? must you have used? must he have used? must we have used? must you have used? must they have used?
Perfekt mit V-ing
must I have been using? must you have been using? must he have been using? must we have been using? must you have been using? must they have been using?
Fragende Negation Form
Einfache Form
mustn't I use? mustn't you use? mustn't he use? mustn't we use? mustn't you use? mustn't they use?
Form mit V-ing
mustn't I be using? mustn't you be using? mustn't he be using? mustn't we be using? mustn't you be using? mustn't they be using?
Perfekt
mustn't I have used? mustn't you have used? mustn't he have used? mustn't we have used? mustn't you have used? mustn't they have used?
Perfekt mit V-ing
mustn't I have been using? mustn't you have been using? mustn't he have been using? mustn't we have been using? mustn't you have been using? mustn't they have been using?