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