I must windsurf you must windsurf he must windsurf we must windsurf you must windsurf they must windsurf
Form mit V-ing
I must be windsurfing you must be windsurfing he must be windsurfing we must be windsurfing you must be windsurfing they must be windsurfing
Perfekt
I must have windsurfed you must have windsurfed he must have windsurfed we must have windsurfed you must have windsurfed they must have windsurfed
Perfekt mit V-ing
I must have been windsurfing you must have been windsurfing he must have been windsurfing we must have been windsurfing you must have been windsurfing they must have been windsurfing
Negation
Einfache Form
I must not windsurf you must not windsurf he must not windsurf we must not windsurf you must not windsurf they must not windsurf
Form mit V-ing
I must not be windsurfing you must not be windsurfing he must not be windsurfing we must not be windsurfing you must not be windsurfing they must not be windsurfing
Perfekt
I must not have windsurfed you must not have windsurfed he must not have windsurfed we must not have windsurfed you must not have windsurfed they must not have windsurfed
Perfekt mit V-ing
I must not have been windsurfing you must not have been windsurfing he must not have been windsurfing we must not have been windsurfing you must not have been windsurfing they must not have been windsurfing
Fragende Form
Einfache Form
must I windsurf? must you windsurf? must he windsurf? must we windsurf? must you windsurf? must they windsurf?
Form mit V-ing
must I be windsurfing? must you be windsurfing? must he be windsurfing? must we be windsurfing? must you be windsurfing? must they be windsurfing?
Perfekt
must I have windsurfed? must you have windsurfed? must he have windsurfed? must we have windsurfed? must you have windsurfed? must they have windsurfed?
Perfekt mit V-ing
must I have been windsurfing? must you have been windsurfing? must he have been windsurfing? must we have been windsurfing? must you have been windsurfing? must they have been windsurfing?
Fragende Negation Form
Einfache Form
must I not windsurf? must you not windsurf? must he not windsurf? must we not windsurf? must you not windsurf? must they not windsurf?
Form mit V-ing
must I not be windsurfing? must you not be windsurfing? must he not be windsurfing? must we not be windsurfing? must you not be windsurfing? must they not be windsurfing?
Perfekt
must I not have windsurfed? must you not have windsurfed? must he not have windsurfed? must we not have windsurfed? must you not have windsurfed? must they not have windsurfed?
Perfekt mit V-ing
must I not have been windsurfing? must you not have been windsurfing? must he not have been windsurfing? must we not have been windsurfing? must you not have been windsurfing? must they not have been windsurfing?