To change the form or structure of.
Infinitivealter
Past simplealtered
Past participlealtered
-ing formaltering
Full conjugation of the English verb to alter (past simple altered,
past participle altered):
present simple and continuous, past simple and continuous, present perfect, past perfect,
future, conditional, subjunctive and imperative, with all persons.
Indicative
Present simple
I
alter
you
alter
he/she/it
alters
we
alter
you
alter
they
alter
Present continuous
I
am altering
you
are altering
he/she/it
is altering
we
are altering
you
are altering
they
are altering
Present perfect
I
have altered
you
have altered
he/she/it
has altered
we
have altered
you
have altered
they
have altered
Present perfect continuous
I
have been altering
you
have been altering
he/she/it
has been altering
we
have been altering
you
have been altering
they
have been altering
Past simple
I
altered
you
altered
he/she/it
altered
we
altered
you
altered
they
altered
Past continuous
I
was altering
you
were altering
he/she/it
was altering
we
were altering
you
were altering
they
were altering
Past perfect
I
had altered
you
had altered
he/she/it
had altered
we
had altered
you
had altered
they
had altered
Past perfect continuous
I
had been altering
you
had been altering
he/she/it
had been altering
we
had been altering
you
had been altering
they
had been altering
Future simple
I
will alter
you
will alter
he/she/it
will alter
we
will alter
you
will alter
they
will alter
Future continuous
I
will be altering
you
will be altering
he/she/it
will be altering
we
will be altering
you
will be altering
they
will be altering
Future perfect
I
will have altered
you
will have altered
he/she/it
will have altered
we
will have altered
you
will have altered
they
will have altered
Future perfect continuous
I
will have been altering
you
will have been altering
he/she/it
will have been altering
we
will have been altering
you
will have been altering
they
will have been altering
Conditional
Present
I
would alter
you
would alter
he/she/it
would alter
we
would alter
you
would alter
they
would alter
Present continuous
I
would be altering
you
would be altering
he/she/it
would be altering
we
would be altering
you
would be altering
they
would be altering
Perfect
I
would have altered
you
would have altered
he/she/it
would have altered
we
would have altered
you
would have altered
they
would have altered
Perfect continuous
I
would have been altering
you
would have been altering
he/she/it
would have been altering
we
would have been altering
you
would have been altering
they
would have been altering
Subjunctive
Present
that I
alter
that you
alter
that he/she/it
alter
that we
alter
that you
alter
that they
alter
Past
if I
altered
if you
altered
if he/she/it
altered
if we
altered
if you
altered
if they
altered
Imperative
Affirmative
you
alter
we
let's alter
Negative
you
don't alter
we
let's not alter
Non-finite forms
Infinitive
to alter
Perfect infinitive
to have altered
Present participle / gerund
altering
Past participle
altered
Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.