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