
Regular verb: progress - progressed - progressed
Simple form | V-ing form | 
| I may progress you may progress she may progress we may progress you may progress they may progress  | I may be progressing you may be progressing she may be progressing we may be progressing you may be progressing they may be progressing  | 
Perfect | V-ing perfect | 
| I may have progressed you may have progressed she may have progressed we may have progressed you may have progressed they may have progressed  | I may have been progressing you may have been progressing she may have been progressing we may have been progressing you may have been progressing they may have been progressing  | 
Simple form | V-ing form | 
| I mayn't progress you mayn't progress she mayn't progress we mayn't progress you mayn't progress they mayn't progress  | I mayn't be progressing you mayn't be progressing she mayn't be progressing we mayn't be progressing you mayn't be progressing they mayn't be progressing  | 
Perfect | V-ing perfect | 
| I mayn't have progressed you mayn't have progressed she mayn't have progressed we mayn't have progressed you mayn't have progressed they mayn't have progressed  | I mayn't have been progressing you mayn't have been progressing she mayn't have been progressing we mayn't have been progressing you mayn't have been progressing they mayn't have been progressing  | 
Simple form | V-ing form | 
| may I progress? may you progress? may she progress? may we progress? may you progress? may they progress?  | may I be progressing? may you be progressing? may she be progressing? may we be progressing? may you be progressing? may they be progressing?  | 
Perfect | V-ing perfect | 
| may I have progressed? may you have progressed? may she have progressed? may we have progressed? may you have progressed? may they have progressed?  | may I have been progressing? may you have been progressing? may she have been progressing? may we have been progressing? may you have been progressing? may they have been progressing?  | 
Simple form | V-ing form | 
| mayn't I progress? mayn't you progress? mayn't she progress? mayn't we progress? mayn't you progress? mayn't they progress?  | mayn't I be progressing? mayn't you be progressing? mayn't she be progressing? mayn't we be progressing? mayn't you be progressing? mayn't they be progressing?  | 
Perfect | V-ing perfect | 
| mayn't I have progressed? mayn't you have progressed? mayn't she have progressed? mayn't we have progressed? mayn't you have progressed? mayn't they have progressed?  | mayn't I have been progressing? mayn't you have been progressing? mayn't she have been progressing? mayn't we have been progressing? mayn't you have been progressing? mayn't they have been progressing?  |