English verb conjugation
SHALL UNDERBID

Irregular verb: underbid - underbid - underbid

Affirmation

Simple form	V-ing form
I shall underbid you shall underbid he shall underbid we shall underbid you shall underbid they shall underbid	I shall be underbidding you shall be underbidding he shall be underbidding we shall be underbidding you shall be underbidding they shall be underbidding
Perfect	V-ing perfect
I shall have underbid you shall have underbid he shall have underbid we shall have underbid you shall have underbid they shall have underbid	I shall have been underbidding you shall have been underbidding he shall have been underbidding we shall have been underbidding you shall have been underbidding they shall have been underbidding

Negation

Simple form	V-ing form
I shall not underbid you shall not underbid he shall not underbid we shall not underbid you shall not underbid they shall not underbid	I shall not be underbidding you shall not be underbidding he shall not be underbidding we shall not be underbidding you shall not be underbidding they shall not be underbidding
Perfect	V-ing perfect
I shall not have underbid you shall not have underbid he shall not have underbid we shall not have underbid you shall not have underbid they shall not have underbid	I shall not have been underbidding you shall not have been underbidding he shall not have been underbidding we shall not have been underbidding you shall not have been underbidding they shall not have been underbidding

Interrogative form

Simple form	V-ing form
shall I underbid? shall you underbid? shall he underbid? shall we underbid? shall you underbid? shall they underbid?	shall I be underbidding? shall you be underbidding? shall he be underbidding? shall we be underbidding? shall you be underbidding? shall they be underbidding?
Perfect	V-ing perfect
shall I have underbid? shall you have underbid? shall he have underbid? shall we have underbid? shall you have underbid? shall they have underbid?	shall I have been underbidding? shall you have been underbidding? shall he have been underbidding? shall we have been underbidding? shall you have been underbidding? shall they have been underbidding?

Interro-negative form

Simple form	V-ing form
shall I not underbid? shall you not underbid? shall he not underbid? shall we not underbid? shall you not underbid? shall they not underbid?	shall I not be underbidding? shall you not be underbidding? shall he not be underbidding? shall we not be underbidding? shall you not be underbidding? shall they not be underbidding?
Perfect	V-ing perfect
shall I not have underbid? shall you not have underbid? shall he not have underbid? shall we not have underbid? shall you not have underbid? shall they not have underbid?	shall I not have been underbidding? shall you not have been underbidding? shall he not have been underbidding? shall we not have been underbidding? shall you not have been underbidding? shall they not have been underbidding?