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 mayn't express you mayn't express he mayn't express we mayn't express you mayn't express they mayn't express	I mayn't be expressing you mayn't be expressing he mayn't be expressing we mayn't be expressing you mayn't be expressing they mayn't be expressing
Perfect	V-ing perfect
I mayn't have expressed you mayn't have expressed he mayn't have expressed we mayn't have expressed you mayn't have expressed they mayn't have expressed	I mayn't have been expressing you mayn't have been expressing he mayn't have been expressing we mayn't have been expressing you mayn't have been expressing they mayn't 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
mayn't I express? mayn't you express? mayn't he express? mayn't we express? mayn't you express? mayn't they express?	mayn't I be expressing? mayn't you be expressing? mayn't he be expressing? mayn't we be expressing? mayn't you be expressing? mayn't they be expressing?
Perfect	V-ing perfect
mayn't I have expressed? mayn't you have expressed? mayn't he have expressed? mayn't we have expressed? mayn't you have expressed? mayn't they have expressed?	mayn't I have been expressing? mayn't you have been expressing? mayn't he have been expressing? mayn't we have been expressing? mayn't you have been expressing? mayn't they have been expressing?