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