English verb conjugation
MAY ESTABLISH

Regular verb: establish - established - established

Affirmation

Simple form	V-ing form
I may establish you may establish he may establish we may establish you may establish they may establish	I may be establishing you may be establishing he may be establishing we may be establishing you may be establishing they may be establishing
Perfect	V-ing perfect
I may have established you may have established he may have established we may have established you may have established they may have established	I may have been establishing you may have been establishing he may have been establishing we may have been establishing you may have been establishing they may have been establishing

Negation

Simple form	V-ing form
I mayn't establish you mayn't establish he mayn't establish we mayn't establish you mayn't establish they mayn't establish	I mayn't be establishing you mayn't be establishing he mayn't be establishing we mayn't be establishing you mayn't be establishing they mayn't be establishing
Perfect	V-ing perfect
I mayn't have established you mayn't have established he mayn't have established we mayn't have established you mayn't have established they mayn't have established	I mayn't have been establishing you mayn't have been establishing he mayn't have been establishing we mayn't have been establishing you mayn't have been establishing they mayn't have been establishing

Interrogative form

Simple form	V-ing form
may I establish? may you establish? may he establish? may we establish? may you establish? may they establish?	may I be establishing? may you be establishing? may he be establishing? may we be establishing? may you be establishing? may they be establishing?
Perfect	V-ing perfect
may I have established? may you have established? may he have established? may we have established? may you have established? may they have established?	may I have been establishing? may you have been establishing? may he have been establishing? may we have been establishing? may you have been establishing? may they have been establishing?

Interro-negative form

Simple form	V-ing form
mayn't I establish? mayn't you establish? mayn't he establish? mayn't we establish? mayn't you establish? mayn't they establish?	mayn't I be establishing? mayn't you be establishing? mayn't he be establishing? mayn't we be establishing? mayn't you be establishing? mayn't they be establishing?
Perfect	V-ing perfect
mayn't I have established? mayn't you have established? mayn't he have established? mayn't we have established? mayn't you have established? mayn't they have established?	mayn't I have been establishing? mayn't you have been establishing? mayn't he have been establishing? mayn't we have been establishing? mayn't you have been establishing? mayn't they have been establishing?