I must grill you must grill she must grill we must grill you must grill they must grill
Forma con V-ing
I must be grilling you must be grilling she must be grilling we must be grilling you must be grilling they must be grilling
Perfecto
I must have grilled you must have grilled she must have grilled we must have grilled you must have grilled they must have grilled
Perfecto con V-ing
I must have been grilling you must have been grilling she must have been grilling we must have been grilling you must have been grilling they must have been grilling
Negación
Forma simple
I must not grill you must not grill she must not grill we must not grill you must not grill they must not grill
Forma con V-ing
I must not be grilling you must not be grilling she must not be grilling we must not be grilling you must not be grilling they must not be grilling
Perfecto
I must not have grilled you must not have grilled she must not have grilled we must not have grilled you must not have grilled they must not have grilled
Perfecto con V-ing
I must not have been grilling you must not have been grilling she must not have been grilling we must not have been grilling you must not have been grilling they must not have been grilling
Forma interrogativa
Forma simple
must I grill? must you grill? must she grill? must we grill? must you grill? must they grill?
Forma con V-ing
must I be grilling? must you be grilling? must she be grilling? must we be grilling? must you be grilling? must they be grilling?
Perfecto
must I have grilled? must you have grilled? must she have grilled? must we have grilled? must you have grilled? must they have grilled?
Perfecto con V-ing
must I have been grilling? must you have been grilling? must she have been grilling? must we have been grilling? must you have been grilling? must they have been grilling?
Forma interro-negativa
Forma simple
must I not grill? must you not grill? must she not grill? must we not grill? must you not grill? must they not grill?
Forma con V-ing
must I not be grilling? must you not be grilling? must she not be grilling? must we not be grilling? must you not be grilling? must they not be grilling?
Perfecto
must I not have grilled? must you not have grilled? must she not have grilled? must we not have grilled? must you not have grilled? must they not have grilled?
Perfecto con V-ing
must I not have been grilling? must you not have been grilling? must she not have been grilling? must we not have been grilling? must you not have been grilling? must they not have been grilling?