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