Coniugazione del verbo inglese
MUST RETROGRESS

Verbo regolare: retrogress - retrogressed - retrogressed

Affermazione

Forma semplice	Forma con V-ing
I must retrogress you must retrogress he must retrogress we must retrogress you must retrogress they must retrogress	I must be retrogressing you must be retrogressing he must be retrogressing we must be retrogressing you must be retrogressing they must be retrogressing
Perfetto	Perfetto con V-ing
I must have retrogressed you must have retrogressed he must have retrogressed we must have retrogressed you must have retrogressed they must have retrogressed	I must have been retrogressing you must have been retrogressing he must have been retrogressing we must have been retrogressing you must have been retrogressing they must have been retrogressing

Negazione

Forma semplice	Forma con V-ing
I must not retrogress you must not retrogress he must not retrogress we must not retrogress you must not retrogress they must not retrogress	I must not be retrogressing you must not be retrogressing he must not be retrogressing we must not be retrogressing you must not be retrogressing they must not be retrogressing
Perfetto	Perfetto con V-ing
I must not have retrogressed you must not have retrogressed he must not have retrogressed we must not have retrogressed you must not have retrogressed they must not have retrogressed	I must not have been retrogressing you must not have been retrogressing he 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	Forma con V-ing
must I retrogress? must you retrogress? must he retrogress? must we retrogress? must you retrogress? must they retrogress?	must I be retrogressing? must you be retrogressing? must he be retrogressing? must we be retrogressing? must you be retrogressing? must they be retrogressing?
Perfetto	Perfetto con V-ing
must I have retrogressed? must you have retrogressed? must he have retrogressed? must we have retrogressed? must you have retrogressed? must they have retrogressed?	must I have been retrogressing? must you have been retrogressing? must he have been retrogressing? must we have been retrogressing? must you have been retrogressing? must they have been retrogressing?

Forma interro-negativa

Forma semplice	Forma con V-ing
must I not retrogress? must you not retrogress? must he not retrogress? must we not retrogress? must you not retrogress? must they not retrogress?	must I not be retrogressing? must you not be retrogressing? must he not be retrogressing? must we not be retrogressing? must you not be retrogressing? must they not be retrogressing?
Perfetto	Perfetto con V-ing
must I not have retrogressed? must you not have retrogressed? must he not have retrogressed? must we not have retrogressed? must you not have retrogressed? must they not have retrogressed?	must I not have been retrogressing? must you not have been retrogressing? must he not have been retrogressing? must we not have been retrogressing? must you not have been retrogressing? must they not have been retrogressing?