I must charter you must charter she must charter we must charter you must charter they must charter
Forma con V-ing
I must be chartering you must be chartering she must be chartering we must be chartering you must be chartering they must be chartering
Perfecto
I must have chartered you must have chartered she must have chartered we must have chartered you must have chartered they must have chartered
Perfecto con V-ing
I must have been chartering you must have been chartering she must have been chartering we must have been chartering you must have been chartering they must have been chartering
Negación
Forma simple
I must not charter you must not charter she must not charter we must not charter you must not charter they must not charter
Forma con V-ing
I must not be chartering you must not be chartering she must not be chartering we must not be chartering you must not be chartering they must not be chartering
Perfecto
I must not have chartered you must not have chartered she must not have chartered we must not have chartered you must not have chartered they must not have chartered
Perfecto con V-ing
I must not have been chartering you must not have been chartering she must not have been chartering we must not have been chartering you must not have been chartering they must not have been chartering
Forma interrogativa
Forma simple
must I charter? must you charter? must she charter? must we charter? must you charter? must they charter?
Forma con V-ing
must I be chartering? must you be chartering? must she be chartering? must we be chartering? must you be chartering? must they be chartering?
Perfecto
must I have chartered? must you have chartered? must she have chartered? must we have chartered? must you have chartered? must they have chartered?
Perfecto con V-ing
must I have been chartering? must you have been chartering? must she have been chartering? must we have been chartering? must you have been chartering? must they have been chartering?
Forma interro-negativa
Forma simple
must I not charter? must you not charter? must she not charter? must we not charter? must you not charter? must they not charter?
Forma con V-ing
must I not be chartering? must you not be chartering? must she not be chartering? must we not be chartering? must you not be chartering? must they not be chartering?
Perfecto
must I not have chartered? must you not have chartered? must she not have chartered? must we not have chartered? must you not have chartered? must they not have chartered?
Perfecto con V-ing
must I not have been chartering? must you not have been chartering? must she not have been chartering? must we not have been chartering? must you not have been chartering? must they not have been chartering?