I must experiment you must experiment she must experiment we must experiment you must experiment they must experiment
Form mit V-ing
I must be experimenting you must be experimenting she must be experimenting we must be experimenting you must be experimenting they must be experimenting
Perfekt
I must have experimented you must have experimented she must have experimented we must have experimented you must have experimented they must have experimented
Perfekt mit V-ing
I must have been experimenting you must have been experimenting she must have been experimenting we must have been experimenting you must have been experimenting they must have been experimenting
Negation
Einfache Form
I must not experiment you must not experiment she must not experiment we must not experiment you must not experiment they must not experiment
Form mit V-ing
I must not be experimenting you must not be experimenting she must not be experimenting we must not be experimenting you must not be experimenting they must not be experimenting
Perfekt
I must not have experimented you must not have experimented she must not have experimented we must not have experimented you must not have experimented they must not have experimented
Perfekt mit V-ing
I must not have been experimenting you must not have been experimenting she must not have been experimenting we must not have been experimenting you must not have been experimenting they must not have been experimenting
Fragende Form
Einfache Form
must I experiment? must you experiment? must she experiment? must we experiment? must you experiment? must they experiment?
Form mit V-ing
must I be experimenting? must you be experimenting? must she be experimenting? must we be experimenting? must you be experimenting? must they be experimenting?
Perfekt
must I have experimented? must you have experimented? must she have experimented? must we have experimented? must you have experimented? must they have experimented?
Perfekt mit V-ing
must I have been experimenting? must you have been experimenting? must she have been experimenting? must we have been experimenting? must you have been experimenting? must they have been experimenting?
Fragende Negation Form
Einfache Form
must I not experiment? must you not experiment? must she not experiment? must we not experiment? must you not experiment? must they not experiment?
Form mit V-ing
must I not be experimenting? must you not be experimenting? must she not be experimenting? must we not be experimenting? must you not be experimenting? must they not be experimenting?
Perfekt
must I not have experimented? must you not have experimented? must she not have experimented? must we not have experimented? must you not have experimented? must they not have experimented?
Perfekt mit V-ing
must I not have been experimenting? must you not have been experimenting? must she not have been experimenting? must we not have been experimenting? must you not have been experimenting? must they not have been experimenting?