English verb conjugation
MAY PRESTAMP

Regular verb: prestamp - prestamped - prestamped

Affirmation

Simple form	V-ing form
I may prestamp you may prestamp he may prestamp we may prestamp you may prestamp they may prestamp	I may be prestamping you may be prestamping he 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 he 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 he 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 he 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 he 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 he 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 he 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 he prestamp? may we prestamp? may you prestamp? may they prestamp?	may I be prestamping? may you be prestamping? may he 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 he 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 he 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 he 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 he 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 he 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 he have been prestamping? mayn't we have been prestamping? mayn't you have been prestamping? mayn't they have been prestamping?