I must complete you must complete he must complete we must complete you must complete they must complete
Forma con V-ing
I must be completing you must be completing he must be completing we must be completing you must be completing they must be completing
Perfecto
I must have completed you must have completed he must have completed we must have completed you must have completed they must have completed
Perfecto con V-ing
I must have been completing you must have been completing he must have been completing we must have been completing you must have been completing they must have been completing
Negación
Forma simple
I must not complete you must not complete he must not complete we must not complete you must not complete they must not complete
Forma con V-ing
I must not be completing you must not be completing he must not be completing we must not be completing you must not be completing they must not be completing
Perfecto
I must not have completed you must not have completed he must not have completed we must not have completed you must not have completed they must not have completed
Perfecto con V-ing
I must not have been completing you must not have been completing he must not have been completing we must not have been completing you must not have been completing they must not have been completing
Forma interrogativa
Forma simple
must I complete? must you complete? must he complete? must we complete? must you complete? must they complete?
Forma con V-ing
must I be completing? must you be completing? must he be completing? must we be completing? must you be completing? must they be completing?
Perfecto
must I have completed? must you have completed? must he have completed? must we have completed? must you have completed? must they have completed?
Perfecto con V-ing
must I have been completing? must you have been completing? must he have been completing? must we have been completing? must you have been completing? must they have been completing?
Forma interro-negativa
Forma simple
must I not complete? must you not complete? must he not complete? must we not complete? must you not complete? must they not complete?
Forma con V-ing
must I not be completing? must you not be completing? must he not be completing? must we not be completing? must you not be completing? must they not be completing?
Perfecto
must I not have completed? must you not have completed? must he not have completed? must we not have completed? must you not have completed? must they not have completed?
Perfecto con V-ing
must I not have been completing? must you not have been completing? must he not have been completing? must we not have been completing? must you not have been completing? must they not have been completing?