I must regress you must regress she must regress we must regress you must regress they must regress
Forma con V-ing
I must be regressing you must be regressing she must be regressing we must be regressing you must be regressing they must be regressing
Perfetto
I must have regressed you must have regressed she must have regressed we must have regressed you must have regressed they must have regressed
Perfetto con V-ing
I must have been regressing you must have been regressing she must have been regressing we must have been regressing you must have been regressing they must have been regressing
Negazione
Forma semplice
I must not regress you must not regress she must not regress we must not regress you must not regress they must not regress
Forma con V-ing
I must not be regressing you must not be regressing she must not be regressing we must not be regressing you must not be regressing they must not be regressing
Perfetto
I must not have regressed you must not have regressed she must not have regressed we must not have regressed you must not have regressed they must not have regressed
Perfetto con V-ing
I must not have been regressing you must not have been regressing she must not have been regressing we must not have been regressing you must not have been regressing they must not have been regressing
Forma interrogativa
Forma semplice
must I regress? must you regress? must she regress? must we regress? must you regress? must they regress?
Forma con V-ing
must I be regressing? must you be regressing? must she be regressing? must we be regressing? must you be regressing? must they be regressing?
Perfetto
must I have regressed? must you have regressed? must she have regressed? must we have regressed? must you have regressed? must they have regressed?
Perfetto con V-ing
must I have been regressing? must you have been regressing? must she have been regressing? must we have been regressing? must you have been regressing? must they have been regressing?
Forma interro-negativa
Forma semplice
must I not regress? must you not regress? must she not regress? must we not regress? must you not regress? must they not regress?
Forma con V-ing
must I not be regressing? must you not be regressing? must she not be regressing? must we not be regressing? must you not be regressing? must they not be regressing?
Perfetto
must I not have regressed? must you not have regressed? must she not have regressed? must we not have regressed? must you not have regressed? must they not have regressed?
Perfetto con V-ing
must I not have been regressing? must you not have been regressing? must she not have been regressing? must we not have been regressing? must you not have been regressing? must they not have been regressing?