I must number you must number he must number we must number you must number they must number
Forma con V-ing
I must be numbering you must be numbering he must be numbering we must be numbering you must be numbering they must be numbering
Perfecto
I must have numbered you must have numbered he must have numbered we must have numbered you must have numbered they must have numbered
Perfecto con V-ing
I must have been numbering you must have been numbering he must have been numbering we must have been numbering you must have been numbering they must have been numbering
Negación
Forma simple
I must not number you must not number he must not number we must not number you must not number they must not number
Forma con V-ing
I must not be numbering you must not be numbering he must not be numbering we must not be numbering you must not be numbering they must not be numbering
Perfecto
I must not have numbered you must not have numbered he must not have numbered we must not have numbered you must not have numbered they must not have numbered
Perfecto con V-ing
I must not have been numbering you must not have been numbering he must not have been numbering we must not have been numbering you must not have been numbering they must not have been numbering
Forma interrogativa
Forma simple
must I number? must you number? must he number? must we number? must you number? must they number?
Forma con V-ing
must I be numbering? must you be numbering? must he be numbering? must we be numbering? must you be numbering? must they be numbering?
Perfecto
must I have numbered? must you have numbered? must he have numbered? must we have numbered? must you have numbered? must they have numbered?
Perfecto con V-ing
must I have been numbering? must you have been numbering? must he have been numbering? must we have been numbering? must you have been numbering? must they have been numbering?
Forma interro-negativa
Forma simple
must I not number? must you not number? must he not number? must we not number? must you not number? must they not number?
Forma con V-ing
must I not be numbering? must you not be numbering? must he not be numbering? must we not be numbering? must you not be numbering? must they not be numbering?
Perfecto
must I not have numbered? must you not have numbered? must he not have numbered? must we not have numbered? must you not have numbered? must they not have numbered?
Perfecto con V-ing
must I not have been numbering? must you not have been numbering? must he not have been numbering? must we not have been numbering? must you not have been numbering? must they not have been numbering?