I must backstroke you must backstroke she must backstroke we must backstroke you must backstroke they must backstroke
Form mit V-ing
I must be backstroking you must be backstroking she must be backstroking we must be backstroking you must be backstroking they must be backstroking
Perfekt
I must have backstroked you must have backstroked she must have backstroked we must have backstroked you must have backstroked they must have backstroked
Perfekt mit V-ing
I must have been backstroking you must have been backstroking she must have been backstroking we must have been backstroking you must have been backstroking they must have been backstroking
Negation
Einfache Form
I mustn't backstroke you mustn't backstroke she mustn't backstroke we mustn't backstroke you mustn't backstroke they mustn't backstroke
Form mit V-ing
I mustn't be backstroking you mustn't be backstroking she mustn't be backstroking we mustn't be backstroking you mustn't be backstroking they mustn't be backstroking
Perfekt
I mustn't have backstroked you mustn't have backstroked she mustn't have backstroked we mustn't have backstroked you mustn't have backstroked they mustn't have backstroked
Perfekt mit V-ing
I mustn't have been backstroking you mustn't have been backstroking she mustn't have been backstroking we mustn't have been backstroking you mustn't have been backstroking they mustn't have been backstroking
Fragende Form
Einfache Form
must I backstroke? must you backstroke? must she backstroke? must we backstroke? must you backstroke? must they backstroke?
Form mit V-ing
must I be backstroking? must you be backstroking? must she be backstroking? must we be backstroking? must you be backstroking? must they be backstroking?
Perfekt
must I have backstroked? must you have backstroked? must she have backstroked? must we have backstroked? must you have backstroked? must they have backstroked?
Perfekt mit V-ing
must I have been backstroking? must you have been backstroking? must she have been backstroking? must we have been backstroking? must you have been backstroking? must they have been backstroking?
Fragende Negation Form
Einfache Form
mustn't I backstroke? mustn't you backstroke? mustn't she backstroke? mustn't we backstroke? mustn't you backstroke? mustn't they backstroke?
Form mit V-ing
mustn't I be backstroking? mustn't you be backstroking? mustn't she be backstroking? mustn't we be backstroking? mustn't you be backstroking? mustn't they be backstroking?
Perfekt
mustn't I have backstroked? mustn't you have backstroked? mustn't she have backstroked? mustn't we have backstroked? mustn't you have backstroked? mustn't they have backstroked?
Perfekt mit V-ing
mustn't I have been backstroking? mustn't you have been backstroking? mustn't she have been backstroking? mustn't we have been backstroking? mustn't you have been backstroking? mustn't they have been backstroking?