To dig underneath (something), to make a passage for destructive or military purposes; to sap.
Infinitiveundermine
Past simpleundermined
Past participleundermined
-ing formundermining
Full conjugation of the English verb to undermine (past simple undermined,
past participle undermined):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
undermine
you
undermine
he/she/it
undermines
we
undermine
you
undermine
they
undermine
Present continuous
I
am undermining
you
are undermining
he/she/it
is undermining
we
are undermining
you
are undermining
they
are undermining
Present perfect
I
have undermined
you
have undermined
he/she/it
has undermined
we
have undermined
you
have undermined
they
have undermined
Present perfect continuous
I
have been undermining
you
have been undermining
he/she/it
has been undermining
we
have been undermining
you
have been undermining
they
have been undermining
Past simple
I
undermined
you
undermined
he/she/it
undermined
we
undermined
you
undermined
they
undermined
Past continuous
I
was undermining
you
were undermining
he/she/it
was undermining
we
were undermining
you
were undermining
they
were undermining
Past perfect
I
had undermined
you
had undermined
he/she/it
had undermined
we
had undermined
you
had undermined
they
had undermined
Past perfect continuous
I
had been undermining
you
had been undermining
he/she/it
had been undermining
we
had been undermining
you
had been undermining
they
had been undermining
Future simple
I
will undermine
you
will undermine
he/she/it
will undermine
we
will undermine
you
will undermine
they
will undermine
Future continuous
I
will be undermining
you
will be undermining
he/she/it
will be undermining
we
will be undermining
you
will be undermining
they
will be undermining
Future perfect
I
will have undermined
you
will have undermined
he/she/it
will have undermined
we
will have undermined
you
will have undermined
they
will have undermined
Future perfect continuous
I
will have been undermining
you
will have been undermining
he/she/it
will have been undermining
we
will have been undermining
you
will have been undermining
they
will have been undermining
Conditional
Present
I
would undermine
you
would undermine
he/she/it
would undermine
we
would undermine
you
would undermine
they
would undermine
Present continuous
I
would be undermining
you
would be undermining
he/she/it
would be undermining
we
would be undermining
you
would be undermining
they
would be undermining
Perfect
I
would have undermined
you
would have undermined
he/she/it
would have undermined
we
would have undermined
you
would have undermined
they
would have undermined
Perfect continuous
I
would have been undermining
you
would have been undermining
he/she/it
would have been undermining
we
would have been undermining
you
would have been undermining
they
would have been undermining
Subjunctive
Present
that I
undermine
that you
undermine
that he/she/it
undermine
that we
undermine
that you
undermine
that they
undermine
Past
if I
undermined
if you
undermined
if he/she/it
undermined
if we
undermined
if you
undermined
if they
undermined
Imperative
Affirmative
you
undermine
we
let's undermine
Negative
you
don't undermine
we
let's not undermine
Non-finite forms
Infinitive
to undermine
Perfect infinitive
to have undermined
Present participle / gerund
undermining
Past participle
undermined
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.