English verb conjugation
MAY PERDURE

Regular verb: perdure - perdured - perdured

Affirmation

Simple form	V-ing form
I may perdure you may perdure he may perdure we may perdure you may perdure they may perdure	I may be perduring you may be perduring he may be perduring we may be perduring you may be perduring they may be perduring
Perfect	V-ing perfect
I may have perdured you may have perdured he may have perdured we may have perdured you may have perdured they may have perdured	I may have been perduring you may have been perduring he may have been perduring we may have been perduring you may have been perduring they may have been perduring

Negation

Simple form	V-ing form
I mayn't perdure you mayn't perdure he mayn't perdure we mayn't perdure you mayn't perdure they mayn't perdure	I mayn't be perduring you mayn't be perduring he mayn't be perduring we mayn't be perduring you mayn't be perduring they mayn't be perduring
Perfect	V-ing perfect
I mayn't have perdured you mayn't have perdured he mayn't have perdured we mayn't have perdured you mayn't have perdured they mayn't have perdured	I mayn't have been perduring you mayn't have been perduring he mayn't have been perduring we mayn't have been perduring you mayn't have been perduring they mayn't have been perduring

Interrogative form

Simple form	V-ing form
may I perdure? may you perdure? may he perdure? may we perdure? may you perdure? may they perdure?	may I be perduring? may you be perduring? may he be perduring? may we be perduring? may you be perduring? may they be perduring?
Perfect	V-ing perfect
may I have perdured? may you have perdured? may he have perdured? may we have perdured? may you have perdured? may they have perdured?	may I have been perduring? may you have been perduring? may he have been perduring? may we have been perduring? may you have been perduring? may they have been perduring?

Interro-negative form

Simple form	V-ing form
mayn't I perdure? mayn't you perdure? mayn't he perdure? mayn't we perdure? mayn't you perdure? mayn't they perdure?	mayn't I be perduring? mayn't you be perduring? mayn't he be perduring? mayn't we be perduring? mayn't you be perduring? mayn't they be perduring?
Perfect	V-ing perfect
mayn't I have perdured? mayn't you have perdured? mayn't he have perdured? mayn't we have perdured? mayn't you have perdured? mayn't they have perdured?	mayn't I have been perduring? mayn't you have been perduring? mayn't he have been perduring? mayn't we have been perduring? mayn't you have been perduring? mayn't they have been perduring?