I must wash you must wash she must wash we must wash you must wash they must wash
Forma con V-ing
I must be washing you must be washing she must be washing we must be washing you must be washing they must be washing
Perfecto
I must have washed you must have washed she must have washed we must have washed you must have washed they must have washed
Perfecto con V-ing
I must have been washing you must have been washing she must have been washing we must have been washing you must have been washing they must have been washing
Negación
Forma simple
I must not wash you must not wash she must not wash we must not wash you must not wash they must not wash
Forma con V-ing
I must not be washing you must not be washing she must not be washing we must not be washing you must not be washing they must not be washing
Perfecto
I must not have washed you must not have washed she must not have washed we must not have washed you must not have washed they must not have washed
Perfecto con V-ing
I must not have been washing you must not have been washing she must not have been washing we must not have been washing you must not have been washing they must not have been washing
Forma interrogativa
Forma simple
must I wash? must you wash? must she wash? must we wash? must you wash? must they wash?
Forma con V-ing
must I be washing? must you be washing? must she be washing? must we be washing? must you be washing? must they be washing?
Perfecto
must I have washed? must you have washed? must she have washed? must we have washed? must you have washed? must they have washed?
Perfecto con V-ing
must I have been washing? must you have been washing? must she have been washing? must we have been washing? must you have been washing? must they have been washing?
Forma interro-negativa
Forma simple
must I not wash? must you not wash? must she not wash? must we not wash? must you not wash? must they not wash?
Forma con V-ing
must I not be washing? must you not be washing? must she not be washing? must we not be washing? must you not be washing? must they not be washing?
Perfecto
must I not have washed? must you not have washed? must she not have washed? must we not have washed? must you not have washed? must they not have washed?
Perfecto con V-ing
must I not have been washing? must you not have been washing? must she not have been washing? must we not have been washing? must you not have been washing? must they not have been washing?