I must saw you must saw he must saw we must saw you must saw they must saw
Forma con V-ing
I must be sawing you must be sawing he must be sawing we must be sawing you must be sawing they must be sawing
Perfecto
I must have sawed, sawn you must have sawed, sawn he must have sawed, sawn we must have sawed, sawn you must have sawed, sawn they must have sawed, sawn
Perfecto con V-ing
I must have been sawing you must have been sawing he must have been sawing we must have been sawing you must have been sawing they must have been sawing
Negación
Forma simple
I must not saw you must not saw he must not saw we must not saw you must not saw they must not saw
Forma con V-ing
I must not be sawing you must not be sawing he must not be sawing we must not be sawing you must not be sawing they must not be sawing
Perfecto
I must not have sawed, sawn you must not have sawed, sawn he must not have sawed, sawn we must not have sawed, sawn you must not have sawed, sawn they must not have sawed, sawn
Perfecto con V-ing
I must not have been sawing you must not have been sawing he must not have been sawing we must not have been sawing you must not have been sawing they must not have been sawing
Forma interrogativa
Forma simple
must I saw? must you saw? must he saw? must we saw? must you saw? must they saw?
Forma con V-ing
must I be sawing? must you be sawing? must he be sawing? must we be sawing? must you be sawing? must they be sawing?
Perfecto
must I have sawed, sawn? must you have sawed, sawn? must he have sawed, sawn? must we have sawed, sawn? must you have sawed, sawn? must they have sawed, sawn?
Perfecto con V-ing
must I have been sawing? must you have been sawing? must he have been sawing? must we have been sawing? must you have been sawing? must they have been sawing?
Forma interro-negativa
Forma simple
must I not saw? must you not saw? must he not saw? must we not saw? must you not saw? must they not saw?
Forma con V-ing
must I not be sawing? must you not be sawing? must he not be sawing? must we not be sawing? must you not be sawing? must they not be sawing?
Perfecto
must I not have sawed, sawn? must you not have sawed, sawn? must he not have sawed, sawn? must we not have sawed, sawn? must you not have sawed, sawn? must they not have sawed, sawn?
Perfecto con V-ing
must I not have been sawing? must you not have been sawing? must he not have been sawing? must we not have been sawing? must you not have been sawing? must they not have been sawing?