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