I must confine you must confine she must confine we must confine you must confine they must confine
Forma con V-ing
I must be confining you must be confining she must be confining we must be confining you must be confining they must be confining
Perfecto
I must have confined you must have confined she must have confined we must have confined you must have confined they must have confined
Perfecto con V-ing
I must have been confining you must have been confining she must have been confining we must have been confining you must have been confining they must have been confining
Negación
Forma simple
I must not confine you must not confine she must not confine we must not confine you must not confine they must not confine
Forma con V-ing
I must not be confining you must not be confining she must not be confining we must not be confining you must not be confining they must not be confining
Perfecto
I must not have confined you must not have confined she must not have confined we must not have confined you must not have confined they must not have confined
Perfecto con V-ing
I must not have been confining you must not have been confining she must not have been confining we must not have been confining you must not have been confining they must not have been confining
Forma interrogativa
Forma simple
must I confine? must you confine? must she confine? must we confine? must you confine? must they confine?
Forma con V-ing
must I be confining? must you be confining? must she be confining? must we be confining? must you be confining? must they be confining?
Perfecto
must I have confined? must you have confined? must she have confined? must we have confined? must you have confined? must they have confined?
Perfecto con V-ing
must I have been confining? must you have been confining? must she have been confining? must we have been confining? must you have been confining? must they have been confining?
Forma interro-negativa
Forma simple
must I not confine? must you not confine? must she not confine? must we not confine? must you not confine? must they not confine?
Forma con V-ing
must I not be confining? must you not be confining? must she not be confining? must we not be confining? must you not be confining? must they not be confining?
Perfecto
must I not have confined? must you not have confined? must she not have confined? must we not have confined? must you not have confined? must they not have confined?
Perfecto con V-ing
must I not have been confining? must you not have been confining? must she not have been confining? must we not have been confining? must you not have been confining? must they not have been confining?