English verb conjugation
MAY OPEN

Regular verb: open - opened - opened

Affirmation

Simple form	V-ing form
I may open you may open she may open we may open you may open they may open	I may be opening you may be opening she may be opening we may be opening you may be opening they may be opening
Perfect	V-ing perfect
I may have opened you may have opened she may have opened we may have opened you may have opened they may have opened	I may have been opening you may have been opening she may have been opening we may have been opening you may have been opening they may have been opening

Negation

Simple form	V-ing form
I mayn't open you mayn't open she mayn't open we mayn't open you mayn't open they mayn't open	I mayn't be opening you mayn't be opening she mayn't be opening we mayn't be opening you mayn't be opening they mayn't be opening
Perfect	V-ing perfect
I mayn't have opened you mayn't have opened she mayn't have opened we mayn't have opened you mayn't have opened they mayn't have opened	I mayn't have been opening you mayn't have been opening she mayn't have been opening we mayn't have been opening you mayn't have been opening they mayn't have been opening

Interrogative form

Simple form	V-ing form
may I open? may you open? may she open? may we open? may you open? may they open?	may I be opening? may you be opening? may she be opening? may we be opening? may you be opening? may they be opening?
Perfect	V-ing perfect
may I have opened? may you have opened? may she have opened? may we have opened? may you have opened? may they have opened?	may I have been opening? may you have been opening? may she have been opening? may we have been opening? may you have been opening? may they have been opening?

Interro-negative form

Simple form	V-ing form
mayn't I open? mayn't you open? mayn't she open? mayn't we open? mayn't you open? mayn't they open?	mayn't I be opening? mayn't you be opening? mayn't she be opening? mayn't we be opening? mayn't you be opening? mayn't they be opening?
Perfect	V-ing perfect
mayn't I have opened? mayn't you have opened? mayn't she have opened? mayn't we have opened? mayn't you have opened? mayn't they have opened?	mayn't I have been opening? mayn't you have been opening? mayn't she have been opening? mayn't we have been opening? mayn't you have been opening? mayn't they have been opening?