could underbid
Verbo irregolare: underbid - underbid- underbid

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could underbid
you could underbid
he could underbid
we could underbid
you could underbid
they could underbid 	I could be underbidding
you could be underbidding
he could be underbidding
we could be underbidding
you could be underbidding
they could be underbidding	I could have underbid
you could have underbid
he could have underbid
we could have underbid
you could have underbid
they could have underbid	I could have been underbidding
you could have been underbidding
he could have been underbidding
we could have been underbidding
you could have been underbidding
they could have been underbidding	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't underbid
you couldn't underbid
he couldn't underbid
we couldn't underbid
you couldn't underbid
they couldn't underbid 	I couldn't be underbidding
you couldn't be underbidding
he couldn't be underbidding
we couldn't be underbidding
you couldn't be underbidding
they couldn't be underbidding	I couldn't have underbid
you couldn't have underbid
he couldn't have underbid
we couldn't have underbid
you couldn't have underbid
they couldn't have underbid	I couldn't have been underbidding
you couldn't have been underbidding
he couldn't have been underbidding
we couldn't have been underbidding
you couldn't have been underbidding
they couldn't have been underbidding	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I underbid?
could you underbid?
could he underbid?
could we underbid?
could you underbid?
could they underbid? 	could I be underbidding?
could you be underbidding?
could he be underbidding?
could we be underbidding?
could you be underbidding?
could they be underbidding? 	could I have underbid?
could you have underbid?
could he have underbid?
could we have underbid?
could you have underbid?
could they have underbid? 	could I have been underbidding?
could you have been underbidding?
could he have been underbidding?
could we have been underbidding?
could you have been underbidding?
could they have been underbidding? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I underbid?
couldn't you underbid?
couldn't he underbid?
couldn't we underbid?
couldn't you underbid?
couldn't they underbid? 	couldn't I be underbidding?
couldn't you be underbidding?
couldn't he be underbidding?
couldn't we be underbidding?
couldn't you be underbidding?
couldn't they be underbidding? 	couldn't I have underbid?
couldn't you have underbid?
couldn't he have underbid?
couldn't we have underbid?
couldn't you have underbid?
couldn't they have underbid? 	couldn't I have been underbidding?
couldn't you have been underbidding?
couldn't he have been underbidding?
couldn't we have been underbidding?
couldn't you have been underbidding?
couldn't they have been underbidding?