Conjugation of to impair

All tenses of the English verb, with every person.

to impair
To weaken; to affect negatively; to have a diminishing effect on.
regular verb
Infinitiveimpair
Past simpleimpaired
Past participleimpaired
-ing formimpairing
Full conjugation of the English verb to impair (past simple impaired, past participle impaired): present simple and continuous, past simple and continuous, present perfect, past perfect, future, conditional, subjunctive and imperative, with all persons.

Indicative

Present simple

I impair
you impair
he/she/it impairs
we impair
you impair
they impair

Present continuous

I am impairing
you are impairing
he/she/it is impairing
we are impairing
you are impairing
they are impairing

Present perfect

I have impaired
you have impaired
he/she/it has impaired
we have impaired
you have impaired
they have impaired

Present perfect continuous

I have been impairing
you have been impairing
he/she/it has been impairing
we have been impairing
you have been impairing
they have been impairing

Past simple

I impaired
you impaired
he/she/it impaired
we impaired
you impaired
they impaired

Past continuous

I was impairing
you were impairing
he/she/it was impairing
we were impairing
you were impairing
they were impairing

Past perfect

I had impaired
you had impaired
he/she/it had impaired
we had impaired
you had impaired
they had impaired

Past perfect continuous

I had been impairing
you had been impairing
he/she/it had been impairing
we had been impairing
you had been impairing
they had been impairing

Future simple

I will impair
you will impair
he/she/it will impair
we will impair
you will impair
they will impair

Future continuous

I will be impairing
you will be impairing
he/she/it will be impairing
we will be impairing
you will be impairing
they will be impairing

Future perfect

I will have impaired
you will have impaired
he/she/it will have impaired
we will have impaired
you will have impaired
they will have impaired

Future perfect continuous

I will have been impairing
you will have been impairing
he/she/it will have been impairing
we will have been impairing
you will have been impairing
they will have been impairing

Conditional

Present

I would impair
you would impair
he/she/it would impair
we would impair
you would impair
they would impair

Present continuous

I would be impairing
you would be impairing
he/she/it would be impairing
we would be impairing
you would be impairing
they would be impairing

Perfect

I would have impaired
you would have impaired
he/she/it would have impaired
we would have impaired
you would have impaired
they would have impaired

Perfect continuous

I would have been impairing
you would have been impairing
he/she/it would have been impairing
we would have been impairing
you would have been impairing
they would have been impairing

Subjunctive

Present

that I impair
that you impair
that he/she/it impair
that we impair
that you impair
that they impair

Past

if I impaired
if you impaired
if he/she/it impaired
if we impaired
if you impaired
if they impaired

Imperative

Affirmative

you impair
we let's impair

Negative

you don't impair
we let's not impair

Non-finite forms

Infinitive

to impair

Perfect infinitive

to have impaired

Present participle / gerund

impairing

Past participle

impaired

Conjugations: Wiktionary (via kaikki.org), adapted, licensed under CC BY-SA 4.0.