English verb conjugation
SHALL BIFF

Regular verb: biff - biffed - biffed

Affirmation

Simple form	V-ing form
I shall biff you shall biff he shall biff we shall biff you shall biff they shall biff	I shall be biffing you shall be biffing he shall be biffing we shall be biffing you shall be biffing they shall be biffing
Perfect	V-ing perfect
I shall have biffed you shall have biffed he shall have biffed we shall have biffed you shall have biffed they shall have biffed	I shall have been biffing you shall have been biffing he shall have been biffing we shall have been biffing you shall have been biffing they shall have been biffing

Negation

Simple form	V-ing form
I shall not biff you shall not biff he shall not biff we shall not biff you shall not biff they shall not biff	I shall not be biffing you shall not be biffing he shall not be biffing we shall not be biffing you shall not be biffing they shall not be biffing
Perfect	V-ing perfect
I shall not have biffed you shall not have biffed he shall not have biffed we shall not have biffed you shall not have biffed they shall not have biffed	I shall not have been biffing you shall not have been biffing he shall not have been biffing we shall not have been biffing you shall not have been biffing they shall not have been biffing

Interrogative form

Simple form	V-ing form
shall I biff? shall you biff? shall he biff? shall we biff? shall you biff? shall they biff?	shall I be biffing? shall you be biffing? shall he be biffing? shall we be biffing? shall you be biffing? shall they be biffing?
Perfect	V-ing perfect
shall I have biffed? shall you have biffed? shall he have biffed? shall we have biffed? shall you have biffed? shall they have biffed?	shall I have been biffing? shall you have been biffing? shall he have been biffing? shall we have been biffing? shall you have been biffing? shall they have been biffing?

Interro-negative form

Simple form	V-ing form
shall I not biff? shall you not biff? shall he not biff? shall we not biff? shall you not biff? shall they not biff?	shall I not be biffing? shall you not be biffing? shall he not be biffing? shall we not be biffing? shall you not be biffing? shall they not be biffing?
Perfect	V-ing perfect
shall I not have biffed? shall you not have biffed? shall he not have biffed? shall we not have biffed? shall you not have biffed? shall they not have biffed?	shall I not have been biffing? shall you not have been biffing? shall he not have been biffing? shall we not have been biffing? shall you not have been biffing? shall they not have been biffing?