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 may not open you may not open he may not open we may not open you may not open they may not open	I may not be opening you may not be opening he may not be opening we may not be opening you may not be opening they may not be opening
Perfect	V-ing perfect
I may not have opened you may not have opened he may not have opened we may not have opened you may not have opened they may not have opened	I may not have been opening you may not have been opening he may not have been opening we may not have been opening you may not have been opening they may not 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
may I not open? may you not open? may he not open? may we not open? may you not open? may they not open?	may I not be opening? may you not be opening? may he not be opening? may we not be opening? may you not be opening? may they not be opening?
Perfect	V-ing perfect
may I not have opened? may you not have opened? may he not have opened? may we not have opened? may you not have opened? may they not have opened?	may I not have been opening? may you not have been opening? may he not have been opening? may we not have been opening? may you not have been opening? may they not have been opening?