English verb conjugation
MAY POSTPONE

Regular verb: postpone - postponed - postponed

Affirmation

Simple form	V-ing form
I may postpone you may postpone he may postpone we may postpone you may postpone they may postpone	I may be postponing you may be postponing he may be postponing we may be postponing you may be postponing they may be postponing
Perfect	V-ing perfect
I may have postponed you may have postponed he may have postponed we may have postponed you may have postponed they may have postponed	I may have been postponing you may have been postponing he may have been postponing we may have been postponing you may have been postponing they may have been postponing

Negation

Simple form	V-ing form
I mayn't postpone you mayn't postpone he mayn't postpone we mayn't postpone you mayn't postpone they mayn't postpone	I mayn't be postponing you mayn't be postponing he mayn't be postponing we mayn't be postponing you mayn't be postponing they mayn't be postponing
Perfect	V-ing perfect
I mayn't have postponed you mayn't have postponed he mayn't have postponed we mayn't have postponed you mayn't have postponed they mayn't have postponed	I mayn't have been postponing you mayn't have been postponing he mayn't have been postponing we mayn't have been postponing you mayn't have been postponing they mayn't have been postponing

Interrogative form

Simple form	V-ing form
may I postpone? may you postpone? may he postpone? may we postpone? may you postpone? may they postpone?	may I be postponing? may you be postponing? may he be postponing? may we be postponing? may you be postponing? may they be postponing?
Perfect	V-ing perfect
may I have postponed? may you have postponed? may he have postponed? may we have postponed? may you have postponed? may they have postponed?	may I have been postponing? may you have been postponing? may he have been postponing? may we have been postponing? may you have been postponing? may they have been postponing?

Interro-negative form

Simple form	V-ing form
mayn't I postpone? mayn't you postpone? mayn't he postpone? mayn't we postpone? mayn't you postpone? mayn't they postpone?	mayn't I be postponing? mayn't you be postponing? mayn't he be postponing? mayn't we be postponing? mayn't you be postponing? mayn't they be postponing?
Perfect	V-ing perfect
mayn't I have postponed? mayn't you have postponed? mayn't he have postponed? mayn't we have postponed? mayn't you have postponed? mayn't they have postponed?	mayn't I have been postponing? mayn't you have been postponing? mayn't he have been postponing? mayn't we have been postponing? mayn't you have been postponing? mayn't they have been postponing?