I must submit you must submit he must submit we must submit you must submit they must submit
Forma con V-ing
I must be submitting you must be submitting he must be submitting we must be submitting you must be submitting they must be submitting
Perfecto
I must have submitted you must have submitted he must have submitted we must have submitted you must have submitted they must have submitted
Perfecto con V-ing
I must have been submitting you must have been submitting he must have been submitting we must have been submitting you must have been submitting they must have been submitting
Negación
Forma simple
I must not submit you must not submit he must not submit we must not submit you must not submit they must not submit
Forma con V-ing
I must not be submitting you must not be submitting he must not be submitting we must not be submitting you must not be submitting they must not be submitting
Perfecto
I must not have submitted you must not have submitted he must not have submitted we must not have submitted you must not have submitted they must not have submitted
Perfecto con V-ing
I must not have been submitting you must not have been submitting he must not have been submitting we must not have been submitting you must not have been submitting they must not have been submitting
Forma interrogativa
Forma simple
must I submit? must you submit? must he submit? must we submit? must you submit? must they submit?
Forma con V-ing
must I be submitting? must you be submitting? must he be submitting? must we be submitting? must you be submitting? must they be submitting?
Perfecto
must I have submitted? must you have submitted? must he have submitted? must we have submitted? must you have submitted? must they have submitted?
Perfecto con V-ing
must I have been submitting? must you have been submitting? must he have been submitting? must we have been submitting? must you have been submitting? must they have been submitting?
Forma interro-negativa
Forma simple
must I not submit? must you not submit? must he not submit? must we not submit? must you not submit? must they not submit?
Forma con V-ing
must I not be submitting? must you not be submitting? must he not be submitting? must we not be submitting? must you not be submitting? must they not be submitting?
Perfecto
must I not have submitted? must you not have submitted? must he not have submitted? must we not have submitted? must you not have submitted? must they not have submitted?
Perfecto con V-ing
must I not have been submitting? must you not have been submitting? must he not have been submitting? must we not have been submitting? must you not have been submitting? must they not have been submitting?