To make longer, to extend the length of.
Infinitivelengthen
Past simplelengthened
Past participlelengthened
-ing formlengthening
Full conjugation of the English verb to lengthen (past simple lengthened,
past participle lengthened):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
lengthen
you
lengthen
he/she/it
lengthens
we
lengthen
you
lengthen
they
lengthen
Present continuous
I
am lengthening
you
are lengthening
he/she/it
is lengthening
we
are lengthening
you
are lengthening
they
are lengthening
Present perfect
I
have lengthened
you
have lengthened
he/she/it
has lengthened
we
have lengthened
you
have lengthened
they
have lengthened
Present perfect continuous
I
have been lengthening
you
have been lengthening
he/she/it
has been lengthening
we
have been lengthening
you
have been lengthening
they
have been lengthening
Past simple
I
lengthened
you
lengthened
he/she/it
lengthened
we
lengthened
you
lengthened
they
lengthened
Past continuous
I
was lengthening
you
were lengthening
he/she/it
was lengthening
we
were lengthening
you
were lengthening
they
were lengthening
Past perfect
I
had lengthened
you
had lengthened
he/she/it
had lengthened
we
had lengthened
you
had lengthened
they
had lengthened
Past perfect continuous
I
had been lengthening
you
had been lengthening
he/she/it
had been lengthening
we
had been lengthening
you
had been lengthening
they
had been lengthening
Future simple
I
will lengthen
you
will lengthen
he/she/it
will lengthen
we
will lengthen
you
will lengthen
they
will lengthen
Future continuous
I
will be lengthening
you
will be lengthening
he/she/it
will be lengthening
we
will be lengthening
you
will be lengthening
they
will be lengthening
Future perfect
I
will have lengthened
you
will have lengthened
he/she/it
will have lengthened
we
will have lengthened
you
will have lengthened
they
will have lengthened
Future perfect continuous
I
will have been lengthening
you
will have been lengthening
he/she/it
will have been lengthening
we
will have been lengthening
you
will have been lengthening
they
will have been lengthening
Conditional
Present
I
would lengthen
you
would lengthen
he/she/it
would lengthen
we
would lengthen
you
would lengthen
they
would lengthen
Present continuous
I
would be lengthening
you
would be lengthening
he/she/it
would be lengthening
we
would be lengthening
you
would be lengthening
they
would be lengthening
Perfect
I
would have lengthened
you
would have lengthened
he/she/it
would have lengthened
we
would have lengthened
you
would have lengthened
they
would have lengthened
Perfect continuous
I
would have been lengthening
you
would have been lengthening
he/she/it
would have been lengthening
we
would have been lengthening
you
would have been lengthening
they
would have been lengthening
Subjunctive
Present
that I
lengthen
that you
lengthen
that he/she/it
lengthen
that we
lengthen
that you
lengthen
that they
lengthen
Past
if I
lengthened
if you
lengthened
if he/she/it
lengthened
if we
lengthened
if you
lengthened
if they
lengthened
Imperative
Affirmative
you
lengthen
we
let's lengthen
Negative
you
don't lengthen
we
let's not lengthen
Non-finite forms
Infinitive
to lengthen
Perfect infinitive
to have lengthened
Present participle / gerund
lengthening
Past participle
lengthened
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.