Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I may express express you may express express he may express express we may express express you may express express they may express express
V-ing form
I may be express expressing you may be express expressing he may be express expressing we may be express expressing you may be express expressing they may be express expressing
Perfect
I may have express expressed you may have express expressed he may have express expressed we may have express expressed you may have express expressed they may have express expressed
V-ing perfect
I may have been express expressing you may have been express expressing he may have been express expressing we may have been express expressing you may have been express expressing they may have been express expressing
Negation
Simple form
I may not express express you may not express express he may not express express we may not express express you may not express express they may not express express
V-ing form
I may not be express expressing you may not be express expressing he may not be express expressing we may not be express expressing you may not be express expressing they may not be express expressing
Perfect
I may not have express expressed you may not have express expressed he may not have express expressed we may not have express expressed you may not have express expressed they may not have express expressed
V-ing perfect
I may not have been express expressing you may not have been express expressing he may not have been express expressing we may not have been express expressing you may not have been express expressing they may not have been express expressing
Interrogative form
Simple form
may I express express? may you express express? may he express express? may we express express? may you express express? may they express express?
V-ing form
may I be express expressing? may you be express expressing? may he be express expressing? may we be express expressing? may you be express expressing? may they be express expressing?
Perfect
may I have express expressed? may you have express expressed? may he have express expressed? may we have express expressed? may you have express expressed? may they have express expressed?
V-ing perfect
may I have been express expressing? may you have been express expressing? may he have been express expressing? may we have been express expressing? may you have been express expressing? may they have been express expressing?
Interro-negative form
Simple form
may I not express express? may you not express express? may he not express express? may we not express express? may you not express express? may they not express express?
V-ing form
may I not be express expressing? may you not be express expressing? may he not be express expressing? may we not be express expressing? may you not be express expressing? may they not be express expressing?
Perfect
may I not have express expressed? may you not have express expressed? may he not have express expressed? may we not have express expressed? may you not have express expressed? may they not have express expressed?
V-ing perfect
may I not have been express expressing? may you not have been express expressing? may he not have been express expressing? may we not have been express expressing? may you not have been express expressing? may they not have been express expressing?