I must moo you must moo she must moo we must moo you must moo they must moo
Forma con V-ing
I must be mooing you must be mooing she must be mooing we must be mooing you must be mooing they must be mooing
Perfecto
I must have mooed you must have mooed she must have mooed we must have mooed you must have mooed they must have mooed
Perfecto con V-ing
I must have been mooing you must have been mooing she must have been mooing we must have been mooing you must have been mooing they must have been mooing
Negación
Forma simple
I must not moo you must not moo she must not moo we must not moo you must not moo they must not moo
Forma con V-ing
I must not be mooing you must not be mooing she must not be mooing we must not be mooing you must not be mooing they must not be mooing
Perfecto
I must not have mooed you must not have mooed she must not have mooed we must not have mooed you must not have mooed they must not have mooed
Perfecto con V-ing
I must not have been mooing you must not have been mooing she must not have been mooing we must not have been mooing you must not have been mooing they must not have been mooing
Forma interrogativa
Forma simple
must I moo? must you moo? must she moo? must we moo? must you moo? must they moo?
Forma con V-ing
must I be mooing? must you be mooing? must she be mooing? must we be mooing? must you be mooing? must they be mooing?
Perfecto
must I have mooed? must you have mooed? must she have mooed? must we have mooed? must you have mooed? must they have mooed?
Perfecto con V-ing
must I have been mooing? must you have been mooing? must she have been mooing? must we have been mooing? must you have been mooing? must they have been mooing?
Forma interro-negativa
Forma simple
must I not moo? must you not moo? must she not moo? must we not moo? must you not moo? must they not moo?
Forma con V-ing
must I not be mooing? must you not be mooing? must she not be mooing? must we not be mooing? must you not be mooing? must they not be mooing?
Perfecto
must I not have mooed? must you not have mooed? must she not have mooed? must we not have mooed? must you not have mooed? must they not have mooed?
Perfecto con V-ing
must I not have been mooing? must you not have been mooing? must she not have been mooing? must we not have been mooing? must you not have been mooing? must they not have been mooing?