I must detain you must detain she must detain we must detain you must detain they must detain
Forma con V-ing
I must be detaining you must be detaining she must be detaining we must be detaining you must be detaining they must be detaining
Perfecto
I must have detained you must have detained she must have detained we must have detained you must have detained they must have detained
Perfecto con V-ing
I must have been detaining you must have been detaining she must have been detaining we must have been detaining you must have been detaining they must have been detaining
Negación
Forma simple
I must not detain you must not detain she must not detain we must not detain you must not detain they must not detain
Forma con V-ing
I must not be detaining you must not be detaining she must not be detaining we must not be detaining you must not be detaining they must not be detaining
Perfecto
I must not have detained you must not have detained she must not have detained we must not have detained you must not have detained they must not have detained
Perfecto con V-ing
I must not have been detaining you must not have been detaining she must not have been detaining we must not have been detaining you must not have been detaining they must not have been detaining
Forma interrogativa
Forma simple
must I detain? must you detain? must she detain? must we detain? must you detain? must they detain?
Forma con V-ing
must I be detaining? must you be detaining? must she be detaining? must we be detaining? must you be detaining? must they be detaining?
Perfecto
must I have detained? must you have detained? must she have detained? must we have detained? must you have detained? must they have detained?
Perfecto con V-ing
must I have been detaining? must you have been detaining? must she have been detaining? must we have been detaining? must you have been detaining? must they have been detaining?
Forma interro-negativa
Forma simple
must I not detain? must you not detain? must she not detain? must we not detain? must you not detain? must they not detain?
Forma con V-ing
must I not be detaining? must you not be detaining? must she not be detaining? must we not be detaining? must you not be detaining? must they not be detaining?
Perfecto
must I not have detained? must you not have detained? must she not have detained? must we not have detained? must you not have detained? must they not have detained?
Perfecto con V-ing
must I not have been detaining? must you not have been detaining? must she not have been detaining? must we not have been detaining? must you not have been detaining? must they not have been detaining?