Conjugation of to ruin

All tenses of the English verb, with every person.

to ruin
To cause the fiscal ruin of; to bankrupt or drive out of business.
regular verb
Infinitiveruin
Past simpleruined
Past participleruined
-ing formruining
Full conjugation of the English verb to ruin (past simple ruined, past participle ruined): present simple and continuous, past simple and continuous, present perfect, past perfect, future, conditional, subjunctive and imperative, with all persons.

Indicative

Present simple

I ruin
you ruin
he/she/it ruins
we ruin
you ruin
they ruin

Present continuous

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

Present perfect

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

Present perfect continuous

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

Past simple

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

Past continuous

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

Past perfect

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

Past perfect continuous

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

Future simple

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

Future continuous

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

Future perfect

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

Future perfect continuous

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

Conditional

Present

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

Present continuous

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

Perfect

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

Perfect continuous

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

Subjunctive

Present

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

Past

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

Imperative

Affirmative

you ruin
we let's ruin

Negative

you don't ruin
we let's not ruin

Non-finite forms

Infinitive

to ruin

Perfect infinitive

to have ruined

Present participle / gerund

ruining

Past participle

ruined

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