English verb conjugation
MAY REVISE

Regular verb: revise - revised - revised

Affirmation

Simple form	V-ing form
I may revise you may revise she may revise we may revise you may revise they may revise	I may be revising you may be revising she may be revising we may be revising you may be revising they may be revising
Perfect	V-ing perfect
I may have revised you may have revised she may have revised we may have revised you may have revised they may have revised	I may have been revising you may have been revising she may have been revising we may have been revising you may have been revising they may have been revising

Negation

Simple form	V-ing form
I mayn't revise you mayn't revise she mayn't revise we mayn't revise you mayn't revise they mayn't revise	I mayn't be revising you mayn't be revising she mayn't be revising we mayn't be revising you mayn't be revising they mayn't be revising
Perfect	V-ing perfect
I mayn't have revised you mayn't have revised she mayn't have revised we mayn't have revised you mayn't have revised they mayn't have revised	I mayn't have been revising you mayn't have been revising she mayn't have been revising we mayn't have been revising you mayn't have been revising they mayn't have been revising

Interrogative form

Simple form	V-ing form
may I revise? may you revise? may she revise? may we revise? may you revise? may they revise?	may I be revising? may you be revising? may she be revising? may we be revising? may you be revising? may they be revising?
Perfect	V-ing perfect
may I have revised? may you have revised? may she have revised? may we have revised? may you have revised? may they have revised?	may I have been revising? may you have been revising? may she have been revising? may we have been revising? may you have been revising? may they have been revising?

Interro-negative form

Simple form	V-ing form
mayn't I revise? mayn't you revise? mayn't she revise? mayn't we revise? mayn't you revise? mayn't they revise?	mayn't I be revising? mayn't you be revising? mayn't she be revising? mayn't we be revising? mayn't you be revising? mayn't they be revising?
Perfect	V-ing perfect
mayn't I have revised? mayn't you have revised? mayn't she have revised? mayn't we have revised? mayn't you have revised? mayn't they have revised?	mayn't I have been revising? mayn't you have been revising? mayn't she have been revising? mayn't we have been revising? mayn't you have been revising? mayn't they have been revising?