To be without, not to have, to need, to require.
Infinitivelack
Past simplelacked
Past participlelacked
-ing formlacking
Full conjugation of the English verb to lack (past simple lacked,
past participle lacked):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
lack
you
lack
he/she/it
lacks
we
lack
you
lack
they
lack
Present continuous
I
am lacking
you
are lacking
he/she/it
is lacking
we
are lacking
you
are lacking
they
are lacking
Present perfect
I
have lacked
you
have lacked
he/she/it
has lacked
we
have lacked
you
have lacked
they
have lacked
Present perfect continuous
I
have been lacking
you
have been lacking
he/she/it
has been lacking
we
have been lacking
you
have been lacking
they
have been lacking
Past simple
I
lacked
you
lacked
he/she/it
lacked
we
lacked
you
lacked
they
lacked
Past continuous
I
was lacking
you
were lacking
he/she/it
was lacking
we
were lacking
you
were lacking
they
were lacking
Past perfect
I
had lacked
you
had lacked
he/she/it
had lacked
we
had lacked
you
had lacked
they
had lacked
Past perfect continuous
I
had been lacking
you
had been lacking
he/she/it
had been lacking
we
had been lacking
you
had been lacking
they
had been lacking
Future simple
I
will lack
you
will lack
he/she/it
will lack
we
will lack
you
will lack
they
will lack
Future continuous
I
will be lacking
you
will be lacking
he/she/it
will be lacking
we
will be lacking
you
will be lacking
they
will be lacking
Future perfect
I
will have lacked
you
will have lacked
he/she/it
will have lacked
we
will have lacked
you
will have lacked
they
will have lacked
Future perfect continuous
I
will have been lacking
you
will have been lacking
he/she/it
will have been lacking
we
will have been lacking
you
will have been lacking
they
will have been lacking
Conditional
Present
I
would lack
you
would lack
he/she/it
would lack
we
would lack
you
would lack
they
would lack
Present continuous
I
would be lacking
you
would be lacking
he/she/it
would be lacking
we
would be lacking
you
would be lacking
they
would be lacking
Perfect
I
would have lacked
you
would have lacked
he/she/it
would have lacked
we
would have lacked
you
would have lacked
they
would have lacked
Perfect continuous
I
would have been lacking
you
would have been lacking
he/she/it
would have been lacking
we
would have been lacking
you
would have been lacking
they
would have been lacking
Subjunctive
Present
that I
lack
that you
lack
that he/she/it
lack
that we
lack
that you
lack
that they
lack
Past
if I
lacked
if you
lacked
if he/she/it
lacked
if we
lacked
if you
lacked
if they
lacked
Imperative
Affirmative
you
lack
we
let's lack
Negative
you
don't lack
we
let's not lack
Non-finite forms
Infinitive
to lack
Perfect infinitive
to have lacked
Present participle / gerund
lacking
Past participle
lacked
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.