English verb conjugation
MAY POSTDATE

Regular verb: postdate - postdated - postdated

Affirmation

Simple form	V-ing form
I may postdate you may postdate he may postdate we may postdate you may postdate they may postdate	I may be postdating you may be postdating he may be postdating we may be postdating you may be postdating they may be postdating
Perfect	V-ing perfect
I may have postdated you may have postdated he may have postdated we may have postdated you may have postdated they may have postdated	I may have been postdating you may have been postdating he may have been postdating we may have been postdating you may have been postdating they may have been postdating

Negation

Simple form	V-ing form
I mayn't postdate you mayn't postdate he mayn't postdate we mayn't postdate you mayn't postdate they mayn't postdate	I mayn't be postdating you mayn't be postdating he mayn't be postdating we mayn't be postdating you mayn't be postdating they mayn't be postdating
Perfect	V-ing perfect
I mayn't have postdated you mayn't have postdated he mayn't have postdated we mayn't have postdated you mayn't have postdated they mayn't have postdated	I mayn't have been postdating you mayn't have been postdating he mayn't have been postdating we mayn't have been postdating you mayn't have been postdating they mayn't have been postdating

Interrogative form

Simple form	V-ing form
may I postdate? may you postdate? may he postdate? may we postdate? may you postdate? may they postdate?	may I be postdating? may you be postdating? may he be postdating? may we be postdating? may you be postdating? may they be postdating?
Perfect	V-ing perfect
may I have postdated? may you have postdated? may he have postdated? may we have postdated? may you have postdated? may they have postdated?	may I have been postdating? may you have been postdating? may he have been postdating? may we have been postdating? may you have been postdating? may they have been postdating?

Interro-negative form

Simple form	V-ing form
mayn't I postdate? mayn't you postdate? mayn't he postdate? mayn't we postdate? mayn't you postdate? mayn't they postdate?	mayn't I be postdating? mayn't you be postdating? mayn't he be postdating? mayn't we be postdating? mayn't you be postdating? mayn't they be postdating?
Perfect	V-ing perfect
mayn't I have postdated? mayn't you have postdated? mayn't he have postdated? mayn't we have postdated? mayn't you have postdated? mayn't they have postdated?	mayn't I have been postdating? mayn't you have been postdating? mayn't he have been postdating? mayn't we have been postdating? mayn't you have been postdating? mayn't they have been postdating?