English verb conjugation
SHALL BILL

Regular verb: bill - billed - billed

Affirmation

Simple form	V-ing form
I shall bill you shall bill he shall bill we shall bill you shall bill they shall bill	I shall be billing you shall be billing he shall be billing we shall be billing you shall be billing they shall be billing
Perfect	V-ing perfect
I shall have billed you shall have billed he shall have billed we shall have billed you shall have billed they shall have billed	I shall have been billing you shall have been billing he shall have been billing we shall have been billing you shall have been billing they shall have been billing

Negation

Simple form	V-ing form
I shall not bill you shall not bill he shall not bill we shall not bill you shall not bill they shall not bill	I shall not be billing you shall not be billing he shall not be billing we shall not be billing you shall not be billing they shall not be billing
Perfect	V-ing perfect
I shall not have billed you shall not have billed he shall not have billed we shall not have billed you shall not have billed they shall not have billed	I shall not have been billing you shall not have been billing he shall not have been billing we shall not have been billing you shall not have been billing they shall not have been billing

Interrogative form

Simple form	V-ing form
shall I bill? shall you bill? shall he bill? shall we bill? shall you bill? shall they bill?	shall I be billing? shall you be billing? shall he be billing? shall we be billing? shall you be billing? shall they be billing?
Perfect	V-ing perfect
shall I have billed? shall you have billed? shall he have billed? shall we have billed? shall you have billed? shall they have billed?	shall I have been billing? shall you have been billing? shall he have been billing? shall we have been billing? shall you have been billing? shall they have been billing?

Interro-negative form

Simple form	V-ing form
shall I not bill? shall you not bill? shall he not bill? shall we not bill? shall you not bill? shall they not bill?	shall I not be billing? shall you not be billing? shall he not be billing? shall we not be billing? shall you not be billing? shall they not be billing?
Perfect	V-ing perfect
shall I not have billed? shall you not have billed? shall he not have billed? shall we not have billed? shall you not have billed? shall they not have billed?	shall I not have been billing? shall you not have been billing? shall he not have been billing? shall we not have been billing? shall you not have been billing? shall they not have been billing?