English verb conjugation
MAY PREEXIST

Regular verb: preexist - preexisted - preexisted

Affirmation

Simple form	V-ing form
I may preexist you may preexist he may preexist we may preexist you may preexist they may preexist	I may be preexisting you may be preexisting he may be preexisting we may be preexisting you may be preexisting they may be preexisting
Perfect	V-ing perfect
I may have preexisted you may have preexisted he may have preexisted we may have preexisted you may have preexisted they may have preexisted	I may have been preexisting you may have been preexisting he may have been preexisting we may have been preexisting you may have been preexisting they may have been preexisting

Negation

Simple form	V-ing form
I mayn't preexist you mayn't preexist he mayn't preexist we mayn't preexist you mayn't preexist they mayn't preexist	I mayn't be preexisting you mayn't be preexisting he mayn't be preexisting we mayn't be preexisting you mayn't be preexisting they mayn't be preexisting
Perfect	V-ing perfect
I mayn't have preexisted you mayn't have preexisted he mayn't have preexisted we mayn't have preexisted you mayn't have preexisted they mayn't have preexisted	I mayn't have been preexisting you mayn't have been preexisting he mayn't have been preexisting we mayn't have been preexisting you mayn't have been preexisting they mayn't have been preexisting

Interrogative form

Simple form	V-ing form
may I preexist? may you preexist? may he preexist? may we preexist? may you preexist? may they preexist?	may I be preexisting? may you be preexisting? may he be preexisting? may we be preexisting? may you be preexisting? may they be preexisting?
Perfect	V-ing perfect
may I have preexisted? may you have preexisted? may he have preexisted? may we have preexisted? may you have preexisted? may they have preexisted?	may I have been preexisting? may you have been preexisting? may he have been preexisting? may we have been preexisting? may you have been preexisting? may they have been preexisting?

Interro-negative form

Simple form	V-ing form
mayn't I preexist? mayn't you preexist? mayn't he preexist? mayn't we preexist? mayn't you preexist? mayn't they preexist?	mayn't I be preexisting? mayn't you be preexisting? mayn't he be preexisting? mayn't we be preexisting? mayn't you be preexisting? mayn't they be preexisting?
Perfect	V-ing perfect
mayn't I have preexisted? mayn't you have preexisted? mayn't he have preexisted? mayn't we have preexisted? mayn't you have preexisted? mayn't they have preexisted?	mayn't I have been preexisting? mayn't you have been preexisting? mayn't he have been preexisting? mayn't we have been preexisting? mayn't you have been preexisting? mayn't they have been preexisting?