English verb conjugation
SHALL RETROGRESS

Regular verb: retrogress - retrogressed - retrogressed

Affirmation

Simple form	V-ing form
I'll retrogress you'll retrogress he'll retrogress we'll retrogress you'll retrogress they'll retrogress	I'll be retrogressing you'll be retrogressing he'll be retrogressing we'll be retrogressing you'll be retrogressing they'll be retrogressing
Perfect	V-ing perfect
I'll have retrogressed you'll have retrogressed he'll have retrogressed we'll have retrogressed you'll have retrogressed they'll have retrogressed	I'll have been retrogressing you'll have been retrogressing he'll have been retrogressing we'll have been retrogressing you'll have been retrogressing they'll have been retrogressing

Negation

Simple form	V-ing form
I shan't retrogress you shan't retrogress he shan't retrogress we shan't retrogress you shan't retrogress they shan't retrogress	I shan't be retrogressing you shan't be retrogressing he shan't be retrogressing we shan't be retrogressing you shan't be retrogressing they shan't be retrogressing
Perfect	V-ing perfect
I shan't have retrogressed you shan't have retrogressed he shan't have retrogressed we shan't have retrogressed you shan't have retrogressed they shan't have retrogressed	I shan't have been retrogressing you shan't have been retrogressing he shan't have been retrogressing we shan't have been retrogressing you shan't have been retrogressing they shan't have been retrogressing

Interrogative form

Simple form	V-ing form
shall I retrogress? shall you retrogress? shall he retrogress? shall we retrogress? shall you retrogress? shall they retrogress?	shall I be retrogressing? shall you be retrogressing? shall he be retrogressing? shall we be retrogressing? shall you be retrogressing? shall they be retrogressing?
Perfect	V-ing perfect
shall I have retrogressed? shall you have retrogressed? shall he have retrogressed? shall we have retrogressed? shall you have retrogressed? shall they have retrogressed?	shall I have been retrogressing? shall you have been retrogressing? shall he have been retrogressing? shall we have been retrogressing? shall you have been retrogressing? shall they have been retrogressing?

Interro-negative form

Simple form	V-ing form
shan't I retrogress? shan't you retrogress? shan't he retrogress? shan't we retrogress? shan't you retrogress? shan't they retrogress?	shan't I be retrogressing? shan't you be retrogressing? shan't he be retrogressing? shan't we be retrogressing? shan't you be retrogressing? shan't they be retrogressing?
Perfect	V-ing perfect
shan't I have retrogressed? shan't you have retrogressed? shan't he have retrogressed? shan't we have retrogressed? shan't you have retrogressed? shan't they have retrogressed?	shan't I have been retrogressing? shan't you have been retrogressing? shan't he have been retrogressing? shan't we have been retrogressing? shan't you have been retrogressing? shan't they have been retrogressing?