English verb conjugation
MAY EXPRESS

Regular verb: express - expressed - expressed

Affirmation

Simple form	V-ing form
I may express you may express he may express we may express you may express they may express	I may be expressing you may be expressing he may be expressing we may be expressing you may be expressing they may be expressing
Perfect	V-ing perfect
I may have expressed you may have expressed he may have expressed we may have expressed you may have expressed they may have expressed	I may have been expressing you may have been expressing he may have been expressing we may have been expressing you may have been expressing they may have been expressing

Negation

Simple form	V-ing form
I may not express you may not express he may not express we may not express you may not express they may not express	I may not be expressing you may not be expressing he may not be expressing we may not be expressing you may not be expressing they may not be expressing
Perfect	V-ing perfect
I may not have expressed you may not have expressed he may not have expressed we may not have expressed you may not have expressed they may not have expressed	I may not have been expressing you may not have been expressing he may not have been expressing we may not have been expressing you may not have been expressing they may not have been expressing

Interrogative form

Simple form	V-ing form
may I express? may you express? may he express? may we express? may you express? may they express?	may I be expressing? may you be expressing? may he be expressing? may we be expressing? may you be expressing? may they be expressing?
Perfect	V-ing perfect
may I have expressed? may you have expressed? may he have expressed? may we have expressed? may you have expressed? may they have expressed?	may I have been expressing? may you have been expressing? may he have been expressing? may we have been expressing? may you have been expressing? may they have been expressing?

Interro-negative form

Simple form	V-ing form
may I not express? may you not express? may he not express? may we not express? may you not express? may they not express?	may I not be expressing? may you not be expressing? may he not be expressing? may we not be expressing? may you not be expressing? may they not be expressing?
Perfect	V-ing perfect
may I not have expressed? may you not have expressed? may he not have expressed? may we not have expressed? may you not have expressed? may they not have expressed?	may I not have been expressing? may you not have been expressing? may he not have been expressing? may we not have been expressing? may you not have been expressing? may they not have been expressing?