English verb conjugation COULD UNDERBID

Irregular verb: underbid - underbid - underbid

Affirmation

Simple form

I could underbid
you could underbid
he could underbid
we could underbid
you could underbid
they could underbid

V-ing form

I could be underbidding
you could be underbidding
he could be underbidding
we could be underbidding
you could be underbidding
they could be underbidding

Perfect

I could have underbid
you could have underbid
he could have underbid
we could have underbid
you could have underbid
they could have underbid

V-ing perfect

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

Negation

Simple form

I could not underbid
you could not underbid
he could not underbid
we could not underbid
you could not underbid
they could not underbid

V-ing form

I could not be underbidding
you could not be underbidding
he could not be underbidding
we could not be underbidding
you could not be underbidding
they could not be underbidding

Perfect

I could not have underbid
you could not have underbid
he could not have underbid
we could not have underbid
you could not have underbid
they could not have underbid

V-ing perfect

I could not have been underbidding
you could not have been underbidding
he could not have been underbidding
we could not have been underbidding
you could not have been underbidding
they could not have been underbidding

Interrogative form

Simple form

could I underbid?
could you underbid?
could he underbid?
could we underbid?
could you underbid?
could they underbid?

V-ing form

could I be underbidding?
could you be underbidding?
could he be underbidding?
could we be underbidding?
could you be underbidding?
could they be underbidding?

Perfect

could I have underbid?
could you have underbid?
could he have underbid?
could we have underbid?
could you have underbid?
could they have underbid?

V-ing perfect

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?

Interro-negative form

Simple form

could I not underbid?
could you not underbid?
could he not underbid?
could we not underbid?
could you not underbid?
could they not underbid?

V-ing form

could I not be underbidding?
could you not be underbidding?
could he not be underbidding?
could we not be underbidding?
could you not be underbidding?
could they not be underbidding?

Perfect

could I not have underbid?
could you not have underbid?
could he not have underbid?
could we not have underbid?
could you not have underbid?
could they not have underbid?

V-ing perfect

could I not have been underbidding?
could you not have been underbidding?
could he not have been underbidding?
could we not have been underbidding?
could you not have been underbidding?
could they not have been underbidding?

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