I must scrub you must scrub she must scrub we must scrub you must scrub they must scrub
Forma con V-ing
I must be scrubbing you must be scrubbing she must be scrubbing we must be scrubbing you must be scrubbing they must be scrubbing
Perfecto
I must have scrubbed you must have scrubbed she must have scrubbed we must have scrubbed you must have scrubbed they must have scrubbed
Perfecto con V-ing
I must have been scrubbing you must have been scrubbing she must have been scrubbing we must have been scrubbing you must have been scrubbing they must have been scrubbing
Negación
Forma simple
I must not scrub you must not scrub she must not scrub we must not scrub you must not scrub they must not scrub
Forma con V-ing
I must not be scrubbing you must not be scrubbing she must not be scrubbing we must not be scrubbing you must not be scrubbing they must not be scrubbing
Perfecto
I must not have scrubbed you must not have scrubbed she must not have scrubbed we must not have scrubbed you must not have scrubbed they must not have scrubbed
Perfecto con V-ing
I must not have been scrubbing you must not have been scrubbing she must not have been scrubbing we must not have been scrubbing you must not have been scrubbing they must not have been scrubbing
Forma interrogativa
Forma simple
must I scrub? must you scrub? must she scrub? must we scrub? must you scrub? must they scrub?
Forma con V-ing
must I be scrubbing? must you be scrubbing? must she be scrubbing? must we be scrubbing? must you be scrubbing? must they be scrubbing?
Perfecto
must I have scrubbed? must you have scrubbed? must she have scrubbed? must we have scrubbed? must you have scrubbed? must they have scrubbed?
Perfecto con V-ing
must I have been scrubbing? must you have been scrubbing? must she have been scrubbing? must we have been scrubbing? must you have been scrubbing? must they have been scrubbing?
Forma interro-negativa
Forma simple
must I not scrub? must you not scrub? must she not scrub? must we not scrub? must you not scrub? must they not scrub?
Forma con V-ing
must I not be scrubbing? must you not be scrubbing? must she not be scrubbing? must we not be scrubbing? must you not be scrubbing? must they not be scrubbing?
Perfecto
must I not have scrubbed? must you not have scrubbed? must she not have scrubbed? must we not have scrubbed? must you not have scrubbed? must they not have scrubbed?
Perfecto con V-ing
must I not have been scrubbing? must you not have been scrubbing? must she not have been scrubbing? must we not have been scrubbing? must you not have been scrubbing? must they not have been scrubbing?