shall underbid
Verbe irrégulier : underbid - underbid- underbid

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shall underbid
you shall underbid
she shall underbid
we shall underbid
you shall underbid
they shall underbid 	I shall be underbidding
you shall be underbidding
she shall be underbidding
we shall be underbidding
you shall be underbidding
they shall be underbidding	I shall have underbid
you shall have underbid
she 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
she shall have been underbidding
we shall have been underbidding
you shall have been underbidding
they shall have been underbidding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shall not underbid
you shall not underbid
she 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
she shall not be underbidding
we shall not be underbidding
you shall not be underbidding
they shall not be underbidding	I shall not have underbid
you shall not have underbid
she 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
she shall not have been underbidding
we shall not have been underbidding
you shall not have been underbidding
they shall not have been underbidding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I underbid?
shall you underbid?
shall she underbid?
shall we underbid?
shall you underbid?
shall they underbid? 	shall I be underbidding?
shall you be underbidding?
shall she be underbidding?
shall we be underbidding?
shall you be underbidding?
shall they be underbidding? 	shall I have underbid?
shall you have underbid?
shall she 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 she have been underbidding?
shall we have been underbidding?
shall you have been underbidding?
shall they have been underbidding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shall I not underbid?
shall you not underbid?
shall she 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 she not be underbidding?
shall we not be underbidding?
shall you not be underbidding?
shall they not be underbidding? 	shall I not have underbid?
shall you not have underbid?
shall she 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 she not have been underbidding?
shall we not have been underbidding?
shall you not have been underbidding?
shall they not have been underbidding?