I must backstitch you must backstitch he must backstitch we must backstitch you must backstitch they must backstitch
Form mit V-ing
I must be backstitching you must be backstitching he must be backstitching we must be backstitching you must be backstitching they must be backstitching
Perfekt
I must have backstitched you must have backstitched he must have backstitched we must have backstitched you must have backstitched they must have backstitched
Perfekt mit V-ing
I must have been backstitching you must have been backstitching he must have been backstitching we must have been backstitching you must have been backstitching they must have been backstitching
Negation
Einfache Form
I mustn't backstitch you mustn't backstitch he mustn't backstitch we mustn't backstitch you mustn't backstitch they mustn't backstitch
Form mit V-ing
I mustn't be backstitching you mustn't be backstitching he mustn't be backstitching we mustn't be backstitching you mustn't be backstitching they mustn't be backstitching
Perfekt
I mustn't have backstitched you mustn't have backstitched he mustn't have backstitched we mustn't have backstitched you mustn't have backstitched they mustn't have backstitched
Perfekt mit V-ing
I mustn't have been backstitching you mustn't have been backstitching he mustn't have been backstitching we mustn't have been backstitching you mustn't have been backstitching they mustn't have been backstitching
Fragende Form
Einfache Form
must I backstitch? must you backstitch? must he backstitch? must we backstitch? must you backstitch? must they backstitch?
Form mit V-ing
must I be backstitching? must you be backstitching? must he be backstitching? must we be backstitching? must you be backstitching? must they be backstitching?
Perfekt
must I have backstitched? must you have backstitched? must he have backstitched? must we have backstitched? must you have backstitched? must they have backstitched?
Perfekt mit V-ing
must I have been backstitching? must you have been backstitching? must he have been backstitching? must we have been backstitching? must you have been backstitching? must they have been backstitching?
Fragende Negation Form
Einfache Form
mustn't I backstitch? mustn't you backstitch? mustn't he backstitch? mustn't we backstitch? mustn't you backstitch? mustn't they backstitch?
Form mit V-ing
mustn't I be backstitching? mustn't you be backstitching? mustn't he be backstitching? mustn't we be backstitching? mustn't you be backstitching? mustn't they be backstitching?
Perfekt
mustn't I have backstitched? mustn't you have backstitched? mustn't he have backstitched? mustn't we have backstitched? mustn't you have backstitched? mustn't they have backstitched?
Perfekt mit V-ing
mustn't I have been backstitching? mustn't you have been backstitching? mustn't he have been backstitching? mustn't we have been backstitching? mustn't you have been backstitching? mustn't they have been backstitching?