Verbo regolare: retrogress - retrogressed - retrogressed
Affermazione
Forma semplice
I must retrogress you must retrogress she must retrogress we must retrogress you must retrogress they must retrogress
Forma con V-ing
I must be retrogressing you must be retrogressing she must be retrogressing we must be retrogressing you must be retrogressing they must be retrogressing
Perfetto
I must have retrogressed you must have retrogressed she must have retrogressed we must have retrogressed you must have retrogressed they must have retrogressed
Perfetto con V-ing
I must have been retrogressing you must have been retrogressing she must have been retrogressing we must have been retrogressing you must have been retrogressing they must have been retrogressing
Negazione
Forma semplice
I must not retrogress you must not retrogress she must not retrogress we must not retrogress you must not retrogress they must not retrogress
Forma con V-ing
I must not be retrogressing you must not be retrogressing she must not be retrogressing we must not be retrogressing you must not be retrogressing they must not be retrogressing
Perfetto
I must not have retrogressed you must not have retrogressed she must not have retrogressed we must not have retrogressed you must not have retrogressed they must not have retrogressed
Perfetto con V-ing
I must not have been retrogressing you must not have been retrogressing she must not have been retrogressing we must not have been retrogressing you must not have been retrogressing they must not have been retrogressing
Forma interrogativa
Forma semplice
must I retrogress? must you retrogress? must she retrogress? must we retrogress? must you retrogress? must they retrogress?
Forma con V-ing
must I be retrogressing? must you be retrogressing? must she be retrogressing? must we be retrogressing? must you be retrogressing? must they be retrogressing?
Perfetto
must I have retrogressed? must you have retrogressed? must she have retrogressed? must we have retrogressed? must you have retrogressed? must they have retrogressed?
Perfetto con V-ing
must I have been retrogressing? must you have been retrogressing? must she have been retrogressing? must we have been retrogressing? must you have been retrogressing? must they have been retrogressing?
Forma interro-negativa
Forma semplice
must I not retrogress? must you not retrogress? must she not retrogress? must we not retrogress? must you not retrogress? must they not retrogress?
Forma con V-ing
must I not be retrogressing? must you not be retrogressing? must she not be retrogressing? must we not be retrogressing? must you not be retrogressing? must they not be retrogressing?
Perfetto
must I not have retrogressed? must you not have retrogressed? must she not have retrogressed? must we not have retrogressed? must you not have retrogressed? must they not have retrogressed?
Perfetto con V-ing
must I not have been retrogressing? must you not have been retrogressing? must she not have been retrogressing? must we not have been retrogressing? must you not have been retrogressing? must they not have been retrogressing?