To study or know a role to such an extent as to be able to replace the normal performer when required.
Infinitiveunderstudy
Past simpleunderstudied
Past participleunderstudied
-ing formunderstudying
Full conjugation of the English verb to understudy (past simple understudied,
past participle understudied):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
understudy
you
understudy
he/she/it
understudies
we
understudy
you
understudy
they
understudy
Present continuous
I
am understudying
you
are understudying
he/she/it
is understudying
we
are understudying
you
are understudying
they
are understudying
Present perfect
I
have understudied
you
have understudied
he/she/it
has understudied
we
have understudied
you
have understudied
they
have understudied
Present perfect continuous
I
have been understudying
you
have been understudying
he/she/it
has been understudying
we
have been understudying
you
have been understudying
they
have been understudying
Past simple
I
understudied
you
understudied
he/she/it
understudied
we
understudied
you
understudied
they
understudied
Past continuous
I
was understudying
you
were understudying
he/she/it
was understudying
we
were understudying
you
were understudying
they
were understudying
Past perfect
I
had understudied
you
had understudied
he/she/it
had understudied
we
had understudied
you
had understudied
they
had understudied
Past perfect continuous
I
had been understudying
you
had been understudying
he/she/it
had been understudying
we
had been understudying
you
had been understudying
they
had been understudying
Future simple
I
will understudy
you
will understudy
he/she/it
will understudy
we
will understudy
you
will understudy
they
will understudy
Future continuous
I
will be understudying
you
will be understudying
he/she/it
will be understudying
we
will be understudying
you
will be understudying
they
will be understudying
Future perfect
I
will have understudied
you
will have understudied
he/she/it
will have understudied
we
will have understudied
you
will have understudied
they
will have understudied
Future perfect continuous
I
will have been understudying
you
will have been understudying
he/she/it
will have been understudying
we
will have been understudying
you
will have been understudying
they
will have been understudying
Conditional
Present
I
would understudy
you
would understudy
he/she/it
would understudy
we
would understudy
you
would understudy
they
would understudy
Present continuous
I
would be understudying
you
would be understudying
he/she/it
would be understudying
we
would be understudying
you
would be understudying
they
would be understudying
Perfect
I
would have understudied
you
would have understudied
he/she/it
would have understudied
we
would have understudied
you
would have understudied
they
would have understudied
Perfect continuous
I
would have been understudying
you
would have been understudying
he/she/it
would have been understudying
we
would have been understudying
you
would have been understudying
they
would have been understudying
Subjunctive
Present
that I
understudy
that you
understudy
that he/she/it
understudy
that we
understudy
that you
understudy
that they
understudy
Past
if I
understudied
if you
understudied
if he/she/it
understudied
if we
understudied
if you
understudied
if they
understudied
Imperative
Affirmative
you
understudy
we
let's understudy
Negative
you
don't understudy
we
let's not understudy
Non-finite forms
Infinitive
to understudy
Perfect infinitive
to have understudied
Present participle / gerund
understudying
Past participle
understudied
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.