English verb conjugation
SHALL UNDERPRICE

Regular verb: underprice - underpriced - underpriced

Affirmation

Simple form	V-ing form
I shall underprice you shall underprice he shall underprice we shall underprice you shall underprice they shall underprice	I shall be underpricing you shall be underpricing he shall be underpricing we shall be underpricing you shall be underpricing they shall be underpricing
Perfect	V-ing perfect
I shall have underpriced you shall have underpriced he shall have underpriced we shall have underpriced you shall have underpriced they shall have underpriced	I shall have been underpricing you shall have been underpricing he shall have been underpricing we shall have been underpricing you shall have been underpricing they shall have been underpricing

Negation

Simple form	V-ing form
I shall not underprice you shall not underprice he shall not underprice we shall not underprice you shall not underprice they shall not underprice	I shall not be underpricing you shall not be underpricing he shall not be underpricing we shall not be underpricing you shall not be underpricing they shall not be underpricing
Perfect	V-ing perfect
I shall not have underpriced you shall not have underpriced he shall not have underpriced we shall not have underpriced you shall not have underpriced they shall not have underpriced	I shall not have been underpricing you shall not have been underpricing he shall not have been underpricing we shall not have been underpricing you shall not have been underpricing they shall not have been underpricing

Interrogative form

Simple form	V-ing form
shall I underprice? shall you underprice? shall he underprice? shall we underprice? shall you underprice? shall they underprice?	shall I be underpricing? shall you be underpricing? shall he be underpricing? shall we be underpricing? shall you be underpricing? shall they be underpricing?
Perfect	V-ing perfect
shall I have underpriced? shall you have underpriced? shall he have underpriced? shall we have underpriced? shall you have underpriced? shall they have underpriced?	shall I have been underpricing? shall you have been underpricing? shall he have been underpricing? shall we have been underpricing? shall you have been underpricing? shall they have been underpricing?

Interro-negative form

Simple form	V-ing form
shall I not underprice? shall you not underprice? shall he not underprice? shall we not underprice? shall you not underprice? shall they not underprice?	shall I not be underpricing? shall you not be underpricing? shall he not be underpricing? shall we not be underpricing? shall you not be underpricing? shall they not be underpricing?
Perfect	V-ing perfect
shall I not have underpriced? shall you not have underpriced? shall he not have underpriced? shall we not have underpriced? shall you not have underpriced? shall they not have underpriced?	shall I not have been underpricing? shall you not have been underpricing? shall he not have been underpricing? shall we not have been underpricing? shall you not have been underpricing? shall they not have been underpricing?