three decades ago

USAGE SUMMARY

"three decades ago" is correct and usable in written English.
You can use it to refer to a time period in the past that began 30 years prior to the present moment. For example: "Three decades ago, the internet was just beginning to become a household commodity."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

More than 9,000 women were involved originally, and were divided into three groups.

The Economist

What happened four months ago is forgotten, whether that's good, bad or indifferent.

The Guardian - Sport

"They gave me their word a year ago and now I want them to honour that.

The Guardian - Sport

"It's only what happened a couple of weeks ago or next week that matters.

The Guardian - Sport

Specifically, the Nasdaq excludes anyone who was employed the company in the past three years.

The New York Times

Since last July the state has opted to use just one massive dose of the sedative pentobarbital as its lethal injection, instead of a cocktail of three different drugs.

The Guardian

"Five years ago I stood here and said we had made history here in Brighton," Lucas said to loud cheers inside the Brighton Centre conference venue.

The Guardian

The shares have underperformed the market by 6% in the last three months and now trade at a discount to the oil service peers.

The Guardian - Business

Behind this summer's heat are greenhouse gases emitted decades ago.

The Economist

Congress is currently considering a bill increasing the minimum wage to $10.10 over the next three years.

The Economist

But the fact that more than fifteen per cent of personal consumption expenditures now go to medical care, when in 1930 only three per cent of personal consumption did, isn't a reflection of frivolity, and that's not going to change any time soon.

The Economist

Expert writing Tips

Best practice

When using "three decades ago", ensure the context clearly establishes the reference point (i.e., the current year) so the timeframe is easily understood by the reader.

Common error

Avoid using "three decades ago" without any contextual clue if your audience might not share your understanding of the present time. For broad audiences, it's better to add extra clarification.

Linguistic Context

The phrase "three decades ago" functions as an adverbial phrase indicating a point in time relative to the present. It modifies a verb or clause by specifying when an action or event occurred.

Expression frequency: Missing

Frequent in

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Formal & Business

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Less common in

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Ludwig's WRAP-UP

In summary, "three decades ago" is a time phrase used to indicate a period approximately thirty years before the present. Ludwig AI indicates that this phrase is grammatically correct and usable in written English, although no examples were found in the provided search data. It serves to establish a temporal reference and has a neutral tone, making it suitable for a variety of contexts. While there are no concrete examples to show its prevalence, understanding its purpose and function ensures its appropriate use in writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Thirty years prior

Uses a more formal and precise tone, specifying the exact number of years.

About three decades ago

Softens the statement with "about", indicating an estimate.

Three decades in the past

Adds emphasis to the fact that the period is in the past.

Approximately thirty years ago

Introduces a degree of approximation or uncertainty.

Thirty years back

Uses a more casual and conversational tone.

Around the early 1990s

Provides a rough chronological marker instead of a precise duration.

In the early nineties

Specifies the decade, removing the numerical precision.

Three tens of years ago

Rephrases using "tens of years", altering the phrasing.

A period of thirty years ago

Adds a descriptive noun phrase to emphasize the period of time.

Back in the 90s

Simplifies to a reference to the decade, using a more colloquial style.

FAQs

How do I use "three decades ago" in a sentence?

Use "three decades ago" to refer to a period approximately 30 years before the present. For example: "Three decades ago, personal computers were not yet commonplace."

What is a more formal way to say "three decades ago"?

For a more formal tone, you could say "thirty years prior" or "thirty years in the past". These alternatives offer a more precise and less colloquial feel than "three decades ago".

What's the difference between "three decades ago" and "in the early 1990s"?

"Three decades ago" specifies a duration, approximately 30 years from the present, whereas "in the early 1990s" refers to a specific period in time, regardless of the current date.

Can I use "around three decades ago" interchangeably with "three decades ago"?

Yes, "around three decades ago" is largely interchangeable with "three decades ago". The addition of "around" simply indicates a degree of approximation or estimation.