English verb conjugation TO ALTER

Regular verb: alter - altered - altered

Indicative

Present

I alter
you alter
he alters
we alter
you alter
they alter

Present continuous

I'm altering
you're altering
he's altering
we're altering
you're altering
they're altering

Preterite

I altered
you altered
he altered
we altered
you altered
they altered

Preterite continuous

I was altering
you were altering
he was altering
we were altering
you were altering
they were altering

Present perfect

I've altered
you've altered
he's altered
we've altered
you've altered
they've altered

Present perfect continuous

I've been altering
you've been altering
he's been altering
we've been altering
you've been altering
they've been altering

Pluperfect

I'd altered
you'd altered
he'd altered
we'd altered
you'd altered
they'd altered

Pluperfect continuous

I'd been altering
you'd been altering
he'd been altering
we'd been altering
you'd been altering
they'd been altering

Future

I'll alter
you'll alter
he'll alter
we'll alter
you'll alter
they'll alter

Future continuous

I'll be altering
you'll be altering
he'll be altering
we'll be altering
you'll be altering
they'll be altering

Future perfect

I'll have altered
you'll have altered
he'll have altered
we'll have altered
you'll have altered
they'll have altered

Future perfect continuous

I'll have been altering
you'll have been altering
he'll have been altering
we'll have been altering
you'll have been altering
they'll have been altering

Conditional

Present

I'd alter
you'd alter
he'd alter
we'd alter
you'd alter
they'd alter

Present continuous

I'd be altering
you'd be altering
he'd be altering
we'd be altering
you'd be altering
they'd be altering

Past

I'd have altered
you'd have altered
he'd have altered
we'd have altered
you'd have altered
they'd have altered

Past continuous

I'd have been altering
you'd have been altering
he'd have been altering
we'd have been altering
you'd have been altering
they'd have been altering

Imperative

alter
Let's alter
alter

Infinitive

to alter

Participle

Present

altering

Past

altered

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