English verb conjugation
MAY CROSS-POST

Regular verb: cross-post - cross-posted - cross-posted

Affirmation

Simple form	V-ing form
I may cross-post you may cross-post she may cross-post we may cross-post you may cross-post they may cross-post	I may be cross-posting you may be cross-posting she may be cross-posting we may be cross-posting you may be cross-posting they may be cross-posting
Perfect	V-ing perfect
I may have cross-posted you may have cross-posted she may have cross-posted we may have cross-posted you may have cross-posted they may have cross-posted	I may have been cross-posting you may have been cross-posting she may have been cross-posting we may have been cross-posting you may have been cross-posting they may have been cross-posting

Negation

Simple form	V-ing form
I mayn't cross-post you mayn't cross-post she mayn't cross-post we mayn't cross-post you mayn't cross-post they mayn't cross-post	I mayn't be cross-posting you mayn't be cross-posting she mayn't be cross-posting we mayn't be cross-posting you mayn't be cross-posting they mayn't be cross-posting
Perfect	V-ing perfect
I mayn't have cross-posted you mayn't have cross-posted she mayn't have cross-posted we mayn't have cross-posted you mayn't have cross-posted they mayn't have cross-posted	I mayn't have been cross-posting you mayn't have been cross-posting she mayn't have been cross-posting we mayn't have been cross-posting you mayn't have been cross-posting they mayn't have been cross-posting

Interrogative form

Simple form	V-ing form
may I cross-post? may you cross-post? may she cross-post? may we cross-post? may you cross-post? may they cross-post?	may I be cross-posting? may you be cross-posting? may she be cross-posting? may we be cross-posting? may you be cross-posting? may they be cross-posting?
Perfect	V-ing perfect
may I have cross-posted? may you have cross-posted? may she have cross-posted? may we have cross-posted? may you have cross-posted? may they have cross-posted?	may I have been cross-posting? may you have been cross-posting? may she have been cross-posting? may we have been cross-posting? may you have been cross-posting? may they have been cross-posting?

Interro-negative form

Simple form	V-ing form
mayn't I cross-post? mayn't you cross-post? mayn't she cross-post? mayn't we cross-post? mayn't you cross-post? mayn't they cross-post?	mayn't I be cross-posting? mayn't you be cross-posting? mayn't she be cross-posting? mayn't we be cross-posting? mayn't you be cross-posting? mayn't they be cross-posting?
Perfect	V-ing perfect
mayn't I have cross-posted? mayn't you have cross-posted? mayn't she have cross-posted? mayn't we have cross-posted? mayn't you have cross-posted? mayn't they have cross-posted?	mayn't I have been cross-posting? mayn't you have been cross-posting? mayn't she have been cross-posting? mayn't we have been cross-posting? mayn't you have been cross-posting? mayn't they have been cross-posting?