To do something insufficiently; especially, to undercook.
Infinitiveunderdo
Past simpleunderdid
Past participleunderdone
-ing formunderdoing
Full conjugation of the English verb to underdo (past simple underdid,
past participle underdone):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
underdo
you
underdo
he/she/it
underdoes
we
underdo
you
underdo
they
underdo
Present continuous
I
am underdoing
you
are underdoing
he/she/it
is underdoing
we
are underdoing
you
are underdoing
they
are underdoing
Present perfect
I
have underdone
you
have underdone
he/she/it
has underdone
we
have underdone
you
have underdone
they
have underdone
Present perfect continuous
I
have been underdoing
you
have been underdoing
he/she/it
has been underdoing
we
have been underdoing
you
have been underdoing
they
have been underdoing
Past simple
I
underdid
you
underdid
he/she/it
underdid
we
underdid
you
underdid
they
underdid
Past continuous
I
was underdoing
you
were underdoing
he/she/it
was underdoing
we
were underdoing
you
were underdoing
they
were underdoing
Past perfect
I
had underdone
you
had underdone
he/she/it
had underdone
we
had underdone
you
had underdone
they
had underdone
Past perfect continuous
I
had been underdoing
you
had been underdoing
he/she/it
had been underdoing
we
had been underdoing
you
had been underdoing
they
had been underdoing
Future simple
I
will underdo
you
will underdo
he/she/it
will underdo
we
will underdo
you
will underdo
they
will underdo
Future continuous
I
will be underdoing
you
will be underdoing
he/she/it
will be underdoing
we
will be underdoing
you
will be underdoing
they
will be underdoing
Future perfect
I
will have underdone
you
will have underdone
he/she/it
will have underdone
we
will have underdone
you
will have underdone
they
will have underdone
Future perfect continuous
I
will have been underdoing
you
will have been underdoing
he/she/it
will have been underdoing
we
will have been underdoing
you
will have been underdoing
they
will have been underdoing
Conditional
Present
I
would underdo
you
would underdo
he/she/it
would underdo
we
would underdo
you
would underdo
they
would underdo
Present continuous
I
would be underdoing
you
would be underdoing
he/she/it
would be underdoing
we
would be underdoing
you
would be underdoing
they
would be underdoing
Perfect
I
would have underdone
you
would have underdone
he/she/it
would have underdone
we
would have underdone
you
would have underdone
they
would have underdone
Perfect continuous
I
would have been underdoing
you
would have been underdoing
he/she/it
would have been underdoing
we
would have been underdoing
you
would have been underdoing
they
would have been underdoing
Subjunctive
Present
that I
underdo
that you
underdo
that he/she/it
underdo
that we
underdo
that you
underdo
that they
underdo
Past
if I
underdid
if you
underdid
if he/she/it
underdid
if we
underdid
if you
underdid
if they
underdid
Imperative
Affirmative
you
underdo
we
let's underdo
Negative
you
don't underdo
we
let's not underdo
Non-finite forms
Infinitive
to underdo
Perfect infinitive
to have underdone
Present participle / gerund
underdoing
Past participle
underdone
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.