English verb conjugation
MAY PRESTAMP

Regular verb: prestamp - prestamped - prestamped

Affirmation

Simple form	V-ing form
I may prestamp you may prestamp she may prestamp we may prestamp you may prestamp they may prestamp	I may be prestamping you may be prestamping she may be prestamping we may be prestamping you may be prestamping they may be prestamping
Perfect	V-ing perfect
I may have prestamped you may have prestamped she may have prestamped we may have prestamped you may have prestamped they may have prestamped	I may have been prestamping you may have been prestamping she may have been prestamping we may have been prestamping you may have been prestamping they may have been prestamping

Negation

Simple form	V-ing form
I mayn't prestamp you mayn't prestamp she mayn't prestamp we mayn't prestamp you mayn't prestamp they mayn't prestamp	I mayn't be prestamping you mayn't be prestamping she mayn't be prestamping we mayn't be prestamping you mayn't be prestamping they mayn't be prestamping
Perfect	V-ing perfect
I mayn't have prestamped you mayn't have prestamped she mayn't have prestamped we mayn't have prestamped you mayn't have prestamped they mayn't have prestamped	I mayn't have been prestamping you mayn't have been prestamping she mayn't have been prestamping we mayn't have been prestamping you mayn't have been prestamping they mayn't have been prestamping

Interrogative form

Simple form	V-ing form
may I prestamp? may you prestamp? may she prestamp? may we prestamp? may you prestamp? may they prestamp?	may I be prestamping? may you be prestamping? may she be prestamping? may we be prestamping? may you be prestamping? may they be prestamping?
Perfect	V-ing perfect
may I have prestamped? may you have prestamped? may she have prestamped? may we have prestamped? may you have prestamped? may they have prestamped?	may I have been prestamping? may you have been prestamping? may she have been prestamping? may we have been prestamping? may you have been prestamping? may they have been prestamping?

Interro-negative form

Simple form	V-ing form
mayn't I prestamp? mayn't you prestamp? mayn't she prestamp? mayn't we prestamp? mayn't you prestamp? mayn't they prestamp?	mayn't I be prestamping? mayn't you be prestamping? mayn't she be prestamping? mayn't we be prestamping? mayn't you be prestamping? mayn't they be prestamping?
Perfect	V-ing perfect
mayn't I have prestamped? mayn't you have prestamped? mayn't she have prestamped? mayn't we have prestamped? mayn't you have prestamped? mayn't they have prestamped?	mayn't I have been prestamping? mayn't you have been prestamping? mayn't she have been prestamping? mayn't we have been prestamping? mayn't you have been prestamping? mayn't they have been prestamping?