English verb conjugation
MAY OPEN

Regular verb: open - opened - opened

Affirmation

Simple form	V-ing form
I may open you may open he may open we may open you may open they may open	I may be opening you may be opening he 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 he 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 he 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 he 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 he 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 he 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 he 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 he open? may we open? may you open? may they open?	may I be opening? may you be opening? may he 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 he 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 he 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 he 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 he 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 he 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 he have been opening? mayn't we have been opening? mayn't you have been opening? mayn't they have been opening?