I must extract you must extract he must extract we must extract you must extract they must extract
Forma con V-ing
I must be extracting you must be extracting he must be extracting we must be extracting you must be extracting they must be extracting
Perfecto
I must have extracted you must have extracted he must have extracted we must have extracted you must have extracted they must have extracted
Perfecto con V-ing
I must have been extracting you must have been extracting he must have been extracting we must have been extracting you must have been extracting they must have been extracting
Negación
Forma simple
I must not extract you must not extract he must not extract we must not extract you must not extract they must not extract
Forma con V-ing
I must not be extracting you must not be extracting he must not be extracting we must not be extracting you must not be extracting they must not be extracting
Perfecto
I must not have extracted you must not have extracted he must not have extracted we must not have extracted you must not have extracted they must not have extracted
Perfecto con V-ing
I must not have been extracting you must not have been extracting he must not have been extracting we must not have been extracting you must not have been extracting they must not have been extracting
Forma interrogativa
Forma simple
must I extract? must you extract? must he extract? must we extract? must you extract? must they extract?
Forma con V-ing
must I be extracting? must you be extracting? must he be extracting? must we be extracting? must you be extracting? must they be extracting?
Perfecto
must I have extracted? must you have extracted? must he have extracted? must we have extracted? must you have extracted? must they have extracted?
Perfecto con V-ing
must I have been extracting? must you have been extracting? must he have been extracting? must we have been extracting? must you have been extracting? must they have been extracting?
Forma interro-negativa
Forma simple
must I not extract? must you not extract? must he not extract? must we not extract? must you not extract? must they not extract?
Forma con V-ing
must I not be extracting? must you not be extracting? must he not be extracting? must we not be extracting? must you not be extracting? must they not be extracting?
Perfecto
must I not have extracted? must you not have extracted? must he not have extracted? must we not have extracted? must you not have extracted? must they not have extracted?
Perfecto con V-ing
must I not have been extracting? must you not have been extracting? must he not have been extracting? must we not have been extracting? must you not have been extracting? must they not have been extracting?