English verb conjugation
MAY FOREWARN

Regular verb: forewarn - forewarned - forewarned

Affirmation

Simple form	V-ing form
I may forewarn you may forewarn he may forewarn we may forewarn you may forewarn they may forewarn	I may be forewarning you may be forewarning he may be forewarning we may be forewarning you may be forewarning they may be forewarning
Perfect	V-ing perfect
I may have forewarned you may have forewarned he may have forewarned we may have forewarned you may have forewarned they may have forewarned	I may have been forewarning you may have been forewarning he may have been forewarning we may have been forewarning you may have been forewarning they may have been forewarning

Negation

Simple form	V-ing form
I mayn't forewarn you mayn't forewarn he mayn't forewarn we mayn't forewarn you mayn't forewarn they mayn't forewarn	I mayn't be forewarning you mayn't be forewarning he mayn't be forewarning we mayn't be forewarning you mayn't be forewarning they mayn't be forewarning
Perfect	V-ing perfect
I mayn't have forewarned you mayn't have forewarned he mayn't have forewarned we mayn't have forewarned you mayn't have forewarned they mayn't have forewarned	I mayn't have been forewarning you mayn't have been forewarning he mayn't have been forewarning we mayn't have been forewarning you mayn't have been forewarning they mayn't have been forewarning

Interrogative form

Simple form	V-ing form
may I forewarn? may you forewarn? may he forewarn? may we forewarn? may you forewarn? may they forewarn?	may I be forewarning? may you be forewarning? may he be forewarning? may we be forewarning? may you be forewarning? may they be forewarning?
Perfect	V-ing perfect
may I have forewarned? may you have forewarned? may he have forewarned? may we have forewarned? may you have forewarned? may they have forewarned?	may I have been forewarning? may you have been forewarning? may he have been forewarning? may we have been forewarning? may you have been forewarning? may they have been forewarning?

Interro-negative form

Simple form	V-ing form
mayn't I forewarn? mayn't you forewarn? mayn't he forewarn? mayn't we forewarn? mayn't you forewarn? mayn't they forewarn?	mayn't I be forewarning? mayn't you be forewarning? mayn't he be forewarning? mayn't we be forewarning? mayn't you be forewarning? mayn't they be forewarning?
Perfect	V-ing perfect
mayn't I have forewarned? mayn't you have forewarned? mayn't he have forewarned? mayn't we have forewarned? mayn't you have forewarned? mayn't they have forewarned?	mayn't I have been forewarning? mayn't you have been forewarning? mayn't he have been forewarning? mayn't we have been forewarning? mayn't you have been forewarning? mayn't they have been forewarning?