I may revise you may revise he may revise we may revise you may revise they may revise
V-ing form
I may be revising you may be revising he may be revising we may be revising you may be revising they may be revising
Perfect
I may have revised you may have revised he may have revised we may have revised you may have revised they may have revised
V-ing perfect
I may have been revising you may have been revising he may have been revising we may have been revising you may have been revising they may have been revising
Negation
Simple form
I may not revise you may not revise he may not revise we may not revise you may not revise they may not revise
V-ing form
I may not be revising you may not be revising he may not be revising we may not be revising you may not be revising they may not be revising
Perfect
I may not have revised you may not have revised he may not have revised we may not have revised you may not have revised they may not have revised
V-ing perfect
I may not have been revising you may not have been revising he may not have been revising we may not have been revising you may not have been revising they may not have been revising
Interrogative form
Simple form
may I revise? may you revise? may he revise? may we revise? may you revise? may they revise?
V-ing form
may I be revising? may you be revising? may he be revising? may we be revising? may you be revising? may they be revising?
Perfect
may I have revised? may you have revised? may he have revised? may we have revised? may you have revised? may they have revised?
V-ing perfect
may I have been revising? may you have been revising? may he have been revising? may we have been revising? may you have been revising? may they have been revising?
Interro-negative form
Simple form
may I not revise? may you not revise? may he not revise? may we not revise? may you not revise? may they not revise?
V-ing form
may I not be revising? may you not be revising? may he not be revising? may we not be revising? may you not be revising? may they not be revising?
Perfect
may I not have revised? may you not have revised? may he not have revised? may we not have revised? may you not have revised? may they not have revised?
V-ing perfect
may I not have been revising? may you not have been revising? may he not have been revising? may we not have been revising? may you not have been revising? may they not have been revising?