I must repair you must repair he must repair we must repair you must repair they must repair
Forma con V-ing
I must be repairing you must be repairing he must be repairing we must be repairing you must be repairing they must be repairing
Perfecto
I must have repaired you must have repaired he must have repaired we must have repaired you must have repaired they must have repaired
Perfecto con V-ing
I must have been repairing you must have been repairing he must have been repairing we must have been repairing you must have been repairing they must have been repairing
Negación
Forma simple
I must not repair you must not repair he must not repair we must not repair you must not repair they must not repair
Forma con V-ing
I must not be repairing you must not be repairing he must not be repairing we must not be repairing you must not be repairing they must not be repairing
Perfecto
I must not have repaired you must not have repaired he must not have repaired we must not have repaired you must not have repaired they must not have repaired
Perfecto con V-ing
I must not have been repairing you must not have been repairing he must not have been repairing we must not have been repairing you must not have been repairing they must not have been repairing
Forma interrogativa
Forma simple
must I repair? must you repair? must he repair? must we repair? must you repair? must they repair?
Forma con V-ing
must I be repairing? must you be repairing? must he be repairing? must we be repairing? must you be repairing? must they be repairing?
Perfecto
must I have repaired? must you have repaired? must he have repaired? must we have repaired? must you have repaired? must they have repaired?
Perfecto con V-ing
must I have been repairing? must you have been repairing? must he have been repairing? must we have been repairing? must you have been repairing? must they have been repairing?
Forma interro-negativa
Forma simple
must I not repair? must you not repair? must he not repair? must we not repair? must you not repair? must they not repair?
Forma con V-ing
must I not be repairing? must you not be repairing? must he not be repairing? must we not be repairing? must you not be repairing? must they not be repairing?
Perfecto
must I not have repaired? must you not have repaired? must he not have repaired? must we not have repaired? must you not have repaired? must they not have repaired?
Perfecto con V-ing
must I not have been repairing? must you not have been repairing? must he not have been repairing? must we not have been repairing? must you not have been repairing? must they not have been repairing?