To maintain, or keep in existence.
Infinitivesustain
Past simplesustained
Past participlesustained
-ing formsustaining
Full conjugation of the English verb to sustain (past simple sustained,
past participle sustained):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
sustain
you
sustain
he/she/it
sustains
we
sustain
you
sustain
they
sustain
Present continuous
I
am sustaining
you
are sustaining
he/she/it
is sustaining
we
are sustaining
you
are sustaining
they
are sustaining
Present perfect
I
have sustained
you
have sustained
he/she/it
has sustained
we
have sustained
you
have sustained
they
have sustained
Present perfect continuous
I
have been sustaining
you
have been sustaining
he/she/it
has been sustaining
we
have been sustaining
you
have been sustaining
they
have been sustaining
Past simple
I
sustained
you
sustained
he/she/it
sustained
we
sustained
you
sustained
they
sustained
Past continuous
I
was sustaining
you
were sustaining
he/she/it
was sustaining
we
were sustaining
you
were sustaining
they
were sustaining
Past perfect
I
had sustained
you
had sustained
he/she/it
had sustained
we
had sustained
you
had sustained
they
had sustained
Past perfect continuous
I
had been sustaining
you
had been sustaining
he/she/it
had been sustaining
we
had been sustaining
you
had been sustaining
they
had been sustaining
Future simple
I
will sustain
you
will sustain
he/she/it
will sustain
we
will sustain
you
will sustain
they
will sustain
Future continuous
I
will be sustaining
you
will be sustaining
he/she/it
will be sustaining
we
will be sustaining
you
will be sustaining
they
will be sustaining
Future perfect
I
will have sustained
you
will have sustained
he/she/it
will have sustained
we
will have sustained
you
will have sustained
they
will have sustained
Future perfect continuous
I
will have been sustaining
you
will have been sustaining
he/she/it
will have been sustaining
we
will have been sustaining
you
will have been sustaining
they
will have been sustaining
Conditional
Present
I
would sustain
you
would sustain
he/she/it
would sustain
we
would sustain
you
would sustain
they
would sustain
Present continuous
I
would be sustaining
you
would be sustaining
he/she/it
would be sustaining
we
would be sustaining
you
would be sustaining
they
would be sustaining
Perfect
I
would have sustained
you
would have sustained
he/she/it
would have sustained
we
would have sustained
you
would have sustained
they
would have sustained
Perfect continuous
I
would have been sustaining
you
would have been sustaining
he/she/it
would have been sustaining
we
would have been sustaining
you
would have been sustaining
they
would have been sustaining
Subjunctive
Present
that I
sustain
that you
sustain
that he/she/it
sustain
that we
sustain
that you
sustain
that they
sustain
Past
if I
sustained
if you
sustained
if he/she/it
sustained
if we
sustained
if you
sustained
if they
sustained
Imperative
Affirmative
you
sustain
we
let's sustain
Negative
you
don't sustain
we
let's not sustain
Non-finite forms
Infinitive
to sustain
Perfect infinitive
to have sustained
Present participle / gerund
sustaining
Past participle
sustained
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.