To express feelings of pain, dissatisfaction, or resentment.
Infinitivecomplain
Past simplecomplained
Past participlecomplained
-ing formcomplaining
Full conjugation of the English verb to complain (past simple complained,
past participle complained):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
complain
you
complain
he/she/it
complains
we
complain
you
complain
they
complain
Present continuous
I
am complaining
you
are complaining
he/she/it
is complaining
we
are complaining
you
are complaining
they
are complaining
Present perfect
I
have complained
you
have complained
he/she/it
has complained
we
have complained
you
have complained
they
have complained
Present perfect continuous
I
have been complaining
you
have been complaining
he/she/it
has been complaining
we
have been complaining
you
have been complaining
they
have been complaining
Past simple
I
complained
you
complained
he/she/it
complained
we
complained
you
complained
they
complained
Past continuous
I
was complaining
you
were complaining
he/she/it
was complaining
we
were complaining
you
were complaining
they
were complaining
Past perfect
I
had complained
you
had complained
he/she/it
had complained
we
had complained
you
had complained
they
had complained
Past perfect continuous
I
had been complaining
you
had been complaining
he/she/it
had been complaining
we
had been complaining
you
had been complaining
they
had been complaining
Future simple
I
will complain
you
will complain
he/she/it
will complain
we
will complain
you
will complain
they
will complain
Future continuous
I
will be complaining
you
will be complaining
he/she/it
will be complaining
we
will be complaining
you
will be complaining
they
will be complaining
Future perfect
I
will have complained
you
will have complained
he/she/it
will have complained
we
will have complained
you
will have complained
they
will have complained
Future perfect continuous
I
will have been complaining
you
will have been complaining
he/she/it
will have been complaining
we
will have been complaining
you
will have been complaining
they
will have been complaining
Conditional
Present
I
would complain
you
would complain
he/she/it
would complain
we
would complain
you
would complain
they
would complain
Present continuous
I
would be complaining
you
would be complaining
he/she/it
would be complaining
we
would be complaining
you
would be complaining
they
would be complaining
Perfect
I
would have complained
you
would have complained
he/she/it
would have complained
we
would have complained
you
would have complained
they
would have complained
Perfect continuous
I
would have been complaining
you
would have been complaining
he/she/it
would have been complaining
we
would have been complaining
you
would have been complaining
they
would have been complaining
Subjunctive
Present
that I
complain
that you
complain
that he/she/it
complain
that we
complain
that you
complain
that they
complain
Past
if I
complained
if you
complained
if he/she/it
complained
if we
complained
if you
complained
if they
complained
Imperative
Affirmative
you
complain
we
let's complain
Negative
you
don't complain
we
let's not complain
Non-finite forms
Infinitive
to complain
Perfect infinitive
to have complained
Present participle / gerund
complaining
Past participle
complained
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.