I must reduce you must reduce he must reduce we must reduce you must reduce they must reduce
Forma con V-ing
I must be reducing you must be reducing he must be reducing we must be reducing you must be reducing they must be reducing
Perfecto
I must have reduced you must have reduced he must have reduced we must have reduced you must have reduced they must have reduced
Perfecto con V-ing
I must have been reducing you must have been reducing he must have been reducing we must have been reducing you must have been reducing they must have been reducing
Negación
Forma simple
I must not reduce you must not reduce he must not reduce we must not reduce you must not reduce they must not reduce
Forma con V-ing
I must not be reducing you must not be reducing he must not be reducing we must not be reducing you must not be reducing they must not be reducing
Perfecto
I must not have reduced you must not have reduced he must not have reduced we must not have reduced you must not have reduced they must not have reduced
Perfecto con V-ing
I must not have been reducing you must not have been reducing he must not have been reducing we must not have been reducing you must not have been reducing they must not have been reducing
Forma interrogativa
Forma simple
must I reduce? must you reduce? must he reduce? must we reduce? must you reduce? must they reduce?
Forma con V-ing
must I be reducing? must you be reducing? must he be reducing? must we be reducing? must you be reducing? must they be reducing?
Perfecto
must I have reduced? must you have reduced? must he have reduced? must we have reduced? must you have reduced? must they have reduced?
Perfecto con V-ing
must I have been reducing? must you have been reducing? must he have been reducing? must we have been reducing? must you have been reducing? must they have been reducing?
Forma interro-negativa
Forma simple
must I not reduce? must you not reduce? must he not reduce? must we not reduce? must you not reduce? must they not reduce?
Forma con V-ing
must I not be reducing? must you not be reducing? must he not be reducing? must we not be reducing? must you not be reducing? must they not be reducing?
Perfecto
must I not have reduced? must you not have reduced? must he not have reduced? must we not have reduced? must you not have reduced? must they not have reduced?
Perfecto con V-ing
must I not have been reducing? must you not have been reducing? must he not have been reducing? must we not have been reducing? must you not have been reducing? must they not have been reducing?