I should retrogress you should retrogress she should retrogress we should retrogress you should retrogress they should retrogress
Forme en V-ing
I should be retrogressing you should be retrogressing she should be retrogressing we should be retrogressing you should be retrogressing they should be retrogressing
Perfect
I should have retrogressed you should have retrogressed she should have retrogressed we should have retrogressed you should have retrogressed they should have retrogressed
Perfect en V-ing
I should have been retrogressing you should have been retrogressing she should have been retrogressing we should have been retrogressing you should have been retrogressing they should have been retrogressing
Négation
Forme simple
I should not retrogress you should not retrogress she should not retrogress we should not retrogress you should not retrogress they should not retrogress
Forme en V-ing
I should not be retrogressing you should not be retrogressing she should not be retrogressing we should not be retrogressing you should not be retrogressing they should not be retrogressing
Perfect
I should not have retrogressed you should not have retrogressed she should not have retrogressed we should not have retrogressed you should not have retrogressed they should not have retrogressed
Perfect en V-ing
I should not have been retrogressing you should not have been retrogressing she should not have been retrogressing we should not have been retrogressing you should not have been retrogressing they should not have been retrogressing
Forme interrogative
Forme simple
should I retrogress? should you retrogress? should she retrogress? should we retrogress? should you retrogress? should they retrogress?
Forme en V-ing
should I be retrogressing? should you be retrogressing? should she be retrogressing? should we be retrogressing? should you be retrogressing? should they be retrogressing?
Perfect
should I have retrogressed? should you have retrogressed? should she have retrogressed? should we have retrogressed? should you have retrogressed? should they have retrogressed?
Perfect en V-ing
should I have been retrogressing? should you have been retrogressing? should she have been retrogressing? should we have been retrogressing? should you have been retrogressing? should they have been retrogressing?
Forme interro-négative
Forme simple
should I not retrogress? should you not retrogress? should she not retrogress? should we not retrogress? should you not retrogress? should they not retrogress?
Forme en V-ing
should I not be retrogressing? should you not be retrogressing? should she not be retrogressing? should we not be retrogressing? should you not be retrogressing? should they not be retrogressing?
Perfect
should I not have retrogressed? should you not have retrogressed? should she not have retrogressed? should we not have retrogressed? should you not have retrogressed? should they not have retrogressed?
Perfect en V-ing
should I not have been retrogressing? should you not have been retrogressing? should she not have been retrogressing? should we not have been retrogressing? should you not have been retrogressing? should they not have been retrogressing?