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