I must manage you must manage she must manage we must manage you must manage they must manage
Forma con V-ing
I must be managing you must be managing she must be managing we must be managing you must be managing they must be managing
Perfecto
I must have managed you must have managed she must have managed we must have managed you must have managed they must have managed
Perfecto con V-ing
I must have been managing you must have been managing she must have been managing we must have been managing you must have been managing they must have been managing
Negación
Forma simple
I must not manage you must not manage she must not manage we must not manage you must not manage they must not manage
Forma con V-ing
I must not be managing you must not be managing she must not be managing we must not be managing you must not be managing they must not be managing
Perfecto
I must not have managed you must not have managed she must not have managed we must not have managed you must not have managed they must not have managed
Perfecto con V-ing
I must not have been managing you must not have been managing she must not have been managing we must not have been managing you must not have been managing they must not have been managing
Forma interrogativa
Forma simple
must I manage? must you manage? must she manage? must we manage? must you manage? must they manage?
Forma con V-ing
must I be managing? must you be managing? must she be managing? must we be managing? must you be managing? must they be managing?
Perfecto
must I have managed? must you have managed? must she have managed? must we have managed? must you have managed? must they have managed?
Perfecto con V-ing
must I have been managing? must you have been managing? must she have been managing? must we have been managing? must you have been managing? must they have been managing?
Forma interro-negativa
Forma simple
must I not manage? must you not manage? must she not manage? must we not manage? must you not manage? must they not manage?
Forma con V-ing
must I not be managing? must you not be managing? must she not be managing? must we not be managing? must you not be managing? must they not be managing?
Perfecto
must I not have managed? must you not have managed? must she not have managed? must we not have managed? must you not have managed? must they not have managed?
Perfecto con V-ing
must I not have been managing? must you not have been managing? must she not have been managing? must we not have been managing? must you not have been managing? must they not have been managing?