I must progress you must progress she must progress we must progress you must progress they must progress
Forma con V-ing
I must be progressing you must be progressing she must be progressing we must be progressing you must be progressing they must be progressing
Perfecto
I must have progressed you must have progressed she must have progressed we must have progressed you must have progressed they must have progressed
Perfecto con V-ing
I must have been progressing you must have been progressing she must have been progressing we must have been progressing you must have been progressing they must have been progressing
Negación
Forma simple
I must not progress you must not progress she must not progress we must not progress you must not progress they must not progress
Forma con V-ing
I must not be progressing you must not be progressing she must not be progressing we must not be progressing you must not be progressing they must not be progressing
Perfecto
I must not have progressed you must not have progressed she must not have progressed we must not have progressed you must not have progressed they must not have progressed
Perfecto con V-ing
I must not have been progressing you must not have been progressing she must not have been progressing we must not have been progressing you must not have been progressing they must not have been progressing
Forma interrogativa
Forma simple
must I progress? must you progress? must she progress? must we progress? must you progress? must they progress?
Forma con V-ing
must I be progressing? must you be progressing? must she be progressing? must we be progressing? must you be progressing? must they be progressing?
Perfecto
must I have progressed? must you have progressed? must she have progressed? must we have progressed? must you have progressed? must they have progressed?
Perfecto con V-ing
must I have been progressing? must you have been progressing? must she have been progressing? must we have been progressing? must you have been progressing? must they have been progressing?
Forma interro-negativa
Forma simple
must I not progress? must you not progress? must she not progress? must we not progress? must you not progress? must they not progress?
Forma con V-ing
must I not be progressing? must you not be progressing? must she not be progressing? must we not be progressing? must you not be progressing? must they not be progressing?
Perfecto
must I not have progressed? must you not have progressed? must she not have progressed? must we not have progressed? must you not have progressed? must they not have progressed?
Perfecto con V-ing
must I not have been progressing? must you not have been progressing? must she not have been progressing? must we not have been progressing? must you not have been progressing? must they not have been progressing?