To experience; to pass through a phase.
Infinitiveundergo
Past simpleunderwent
Past participleundergone
-ing formundergoing
Full conjugation of the English verb to undergo (past simple underwent,
past participle undergone):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
undergo
you
undergo
he/she/it
undergoes
we
undergo
you
undergo
they
undergo
Present continuous
I
am undergoing
you
are undergoing
he/she/it
is undergoing
we
are undergoing
you
are undergoing
they
are undergoing
Present perfect
I
have undergone
you
have undergone
he/she/it
has undergone
we
have undergone
you
have undergone
they
have undergone
Present perfect continuous
I
have been undergoing
you
have been undergoing
he/she/it
has been undergoing
we
have been undergoing
you
have been undergoing
they
have been undergoing
Past simple
I
underwent
you
underwent
he/she/it
underwent
we
underwent
you
underwent
they
underwent
Past continuous
I
was undergoing
you
were undergoing
he/she/it
was undergoing
we
were undergoing
you
were undergoing
they
were undergoing
Past perfect
I
had undergone
you
had undergone
he/she/it
had undergone
we
had undergone
you
had undergone
they
had undergone
Past perfect continuous
I
had been undergoing
you
had been undergoing
he/she/it
had been undergoing
we
had been undergoing
you
had been undergoing
they
had been undergoing
Future simple
I
will undergo
you
will undergo
he/she/it
will undergo
we
will undergo
you
will undergo
they
will undergo
Future continuous
I
will be undergoing
you
will be undergoing
he/she/it
will be undergoing
we
will be undergoing
you
will be undergoing
they
will be undergoing
Future perfect
I
will have undergone
you
will have undergone
he/she/it
will have undergone
we
will have undergone
you
will have undergone
they
will have undergone
Future perfect continuous
I
will have been undergoing
you
will have been undergoing
he/she/it
will have been undergoing
we
will have been undergoing
you
will have been undergoing
they
will have been undergoing
Conditional
Present
I
would undergo
you
would undergo
he/she/it
would undergo
we
would undergo
you
would undergo
they
would undergo
Present continuous
I
would be undergoing
you
would be undergoing
he/she/it
would be undergoing
we
would be undergoing
you
would be undergoing
they
would be undergoing
Perfect
I
would have undergone
you
would have undergone
he/she/it
would have undergone
we
would have undergone
you
would have undergone
they
would have undergone
Perfect continuous
I
would have been undergoing
you
would have been undergoing
he/she/it
would have been undergoing
we
would have been undergoing
you
would have been undergoing
they
would have been undergoing
Subjunctive
Present
that I
undergo
that you
undergo
that he/she/it
undergo
that we
undergo
that you
undergo
that they
undergo
Past
if I
underwent
if you
underwent
if he/she/it
underwent
if we
underwent
if you
underwent
if they
underwent
Imperative
Affirmative
you
undergo
we
let's undergo
Negative
you
don't undergo
we
let's not undergo
Non-finite forms
Infinitive
to undergo
Perfect infinitive
to have undergone
Present participle / gerund
undergoing
Past participle
undergone
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.