I may progress you may progress he may progress we may progress you may progress they may progress
V-ing form
I may be progressing you may be progressing he may be progressing we may be progressing you may be progressing they may be progressing
Perfect
I may have progressed you may have progressed he may have progressed we may have progressed you may have progressed they may have progressed
V-ing perfect
I may have been progressing you may have been progressing he may have been progressing we may have been progressing you may have been progressing they may have been progressing
Negation
Simple form
I mayn't progress you mayn't progress he mayn't progress we mayn't progress you mayn't progress they mayn't progress
V-ing form
I mayn't be progressing you mayn't be progressing he mayn't be progressing we mayn't be progressing you mayn't be progressing they mayn't be progressing
Perfect
I mayn't have progressed you mayn't have progressed he mayn't have progressed we mayn't have progressed you mayn't have progressed they mayn't have progressed
V-ing perfect
I mayn't have been progressing you mayn't have been progressing he mayn't have been progressing we mayn't have been progressing you mayn't have been progressing they mayn't have been progressing
Interrogative form
Simple form
may I progress? may you progress? may he progress? may we progress? may you progress? may they progress?
V-ing form
may I be progressing? may you be progressing? may he be progressing? may we be progressing? may you be progressing? may they be progressing?
Perfect
may I have progressed? may you have progressed? may he have progressed? may we have progressed? may you have progressed? may they have progressed?
V-ing perfect
may I have been progressing? may you have been progressing? may he have been progressing? may we have been progressing? may you have been progressing? may they have been progressing?
Interro-negative form
Simple form
mayn't I progress? mayn't you progress? mayn't he progress? mayn't we progress? mayn't you progress? mayn't they progress?
V-ing form
mayn't I be progressing? mayn't you be progressing? mayn't he be progressing? mayn't we be progressing? mayn't you be progressing? mayn't they be progressing?
Perfect
mayn't I have progressed? mayn't you have progressed? mayn't he have progressed? mayn't we have progressed? mayn't you have progressed? mayn't they have progressed?
V-ing perfect
mayn't I have been progressing? mayn't you have been progressing? mayn't he have been progressing? mayn't we have been progressing? mayn't you have been progressing? mayn't they have been progressing?