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