To make worse; to make inferior in quality or value; to impair.
Infinitivedeteriorate
Past simpledeteriorated
Past participledeteriorated
-ing formdeteriorating
Full conjugation of the English verb to deteriorate (past simple deteriorated,
past participle deteriorated):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
deteriorate
you
deteriorate
he/she/it
deteriorates
we
deteriorate
you
deteriorate
they
deteriorate
Present continuous
I
am deteriorating
you
are deteriorating
he/she/it
is deteriorating
we
are deteriorating
you
are deteriorating
they
are deteriorating
Present perfect
I
have deteriorated
you
have deteriorated
he/she/it
has deteriorated
we
have deteriorated
you
have deteriorated
they
have deteriorated
Present perfect continuous
I
have been deteriorating
you
have been deteriorating
he/she/it
has been deteriorating
we
have been deteriorating
you
have been deteriorating
they
have been deteriorating
Past simple
I
deteriorated
you
deteriorated
he/she/it
deteriorated
we
deteriorated
you
deteriorated
they
deteriorated
Past continuous
I
was deteriorating
you
were deteriorating
he/she/it
was deteriorating
we
were deteriorating
you
were deteriorating
they
were deteriorating
Past perfect
I
had deteriorated
you
had deteriorated
he/she/it
had deteriorated
we
had deteriorated
you
had deteriorated
they
had deteriorated
Past perfect continuous
I
had been deteriorating
you
had been deteriorating
he/she/it
had been deteriorating
we
had been deteriorating
you
had been deteriorating
they
had been deteriorating
Future simple
I
will deteriorate
you
will deteriorate
he/she/it
will deteriorate
we
will deteriorate
you
will deteriorate
they
will deteriorate
Future continuous
I
will be deteriorating
you
will be deteriorating
he/she/it
will be deteriorating
we
will be deteriorating
you
will be deteriorating
they
will be deteriorating
Future perfect
I
will have deteriorated
you
will have deteriorated
he/she/it
will have deteriorated
we
will have deteriorated
you
will have deteriorated
they
will have deteriorated
Future perfect continuous
I
will have been deteriorating
you
will have been deteriorating
he/she/it
will have been deteriorating
we
will have been deteriorating
you
will have been deteriorating
they
will have been deteriorating
Conditional
Present
I
would deteriorate
you
would deteriorate
he/she/it
would deteriorate
we
would deteriorate
you
would deteriorate
they
would deteriorate
Present continuous
I
would be deteriorating
you
would be deteriorating
he/she/it
would be deteriorating
we
would be deteriorating
you
would be deteriorating
they
would be deteriorating
Perfect
I
would have deteriorated
you
would have deteriorated
he/she/it
would have deteriorated
we
would have deteriorated
you
would have deteriorated
they
would have deteriorated
Perfect continuous
I
would have been deteriorating
you
would have been deteriorating
he/she/it
would have been deteriorating
we
would have been deteriorating
you
would have been deteriorating
they
would have been deteriorating
Subjunctive
Present
that I
deteriorate
that you
deteriorate
that he/she/it
deteriorate
that we
deteriorate
that you
deteriorate
that they
deteriorate
Past
if I
deteriorated
if you
deteriorated
if he/she/it
deteriorated
if we
deteriorated
if you
deteriorated
if they
deteriorated
Imperative
Affirmative
you
deteriorate
we
let's deteriorate
Negative
you
don't deteriorate
we
let's not deteriorate
Non-finite forms
Infinitive
to deteriorate
Perfect infinitive
to have deteriorated
Present participle / gerund
deteriorating
Past participle
deteriorated
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.