thirty years

USAGE SUMMARY

The phrase "thirty years" is correct and usable in written English.
It can be used to indicate a duration of time, often in contexts related to age, experience, or historical events. Example: "After thirty years of dedicated service, she decided to retire and enjoy her time with family."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"Thirty years.

The New Yorker

Maybe thirty years, now.

The New Yorker

Thirty years germinating?

The New Yorker

"For almost thirty years".

The New Yorker

Klitschko is thirty years old.

The New Yorker

"Thirty years is a lifetime.

The New York Times

That's France in thirty years.

The New Yorker

The Thirty Years' War.

Britannica

for thirty years...

The New Yorker

Thirty years separate them.

The Guardian - TV & Radio

"Thirty years," she said.

The New York Times - Sports

Expert writing Tips

Best practice

When writing about historical events or long-term trends, use "thirty years" to provide a clear and easily understandable timeframe for your readers. For example: "The economic landscape has drastically changed in the last thirty years."

Common error

Avoid assuming readers automatically know what specific event or period you are referring to when using "thirty years". Provide context or clarify the starting point if necessary. For example, instead of just stating 'The company has evolved over thirty years', specify 'The company has evolved since its founding thirty years ago in 1995'.

Linguistic Context

The phrase "thirty years" primarily functions as an adjective phrase modifying a noun, indicating a duration of time. It's often used to describe the length of a career, a relationship, or a historical period. As Ludwig AI indicates, this usage is grammatically correct.

Expression frequency: Very common

Frequent in

News & Media

86%

Encyclopedias

6%

Science

4%

Less common in

Formal & Business

0%

Wiki

0%

Academia

0%

Ludwig's WRAP-UP

In summary, the phrase "thirty years" is a grammatically sound and versatile expression used to denote a period of three decades. As Ludwig AI confirms, its usage is correct and widespread. The analysis reveals that "thirty years" functions primarily as an adjective phrase specifying duration and is most commonly found in news and media contexts. While it maintains a neutral register suitable for diverse audiences, remember to provide sufficient context to avoid ambiguity. Alternatives like "three decades" offer similar clarity. By understanding its grammatical role and typical contexts, you can effectively integrate the phrase "thirty years" into your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

Three decades

Uses a different unit of time (decades) to represent the same duration.

Approximately three decades

Combines 'approximately' for estimation and 'three decades'.

Thirty years' time

Reorders the words and adds "time" for emphasis.

A thirty-year span

Replaces 'period' with 'span', both denoting duration.

A thirty-year period

Adds the word "period" to explicitly state it's a duration of time.

Over thirty years

Highlights exceeding the thirty-year mark.

Around thirty years

Indicates an approximate duration of thirty years.

In three decades

Emphasizes the time frame in the future.

Thrice a decade

Describes a frequency, not the duration itself, but implies a span of 30 years.

A generation (roughly)

Approximates the time span using a generational measure.

FAQs

How can I use "thirty years" in a sentence?

You can use "thirty years" to refer to a duration of time, as in "He worked at the company for "thirty years"", or to indicate age, as in "She is "thirty years old"".

What are some alternatives to saying "thirty years"?

Depending on the context, you could use alternatives such as "three decades", "a thirty-year period", or "approximately three decades".

Is it correct to say "thirty year" instead of "thirty years"?

No, it is not correct. You should always use the plural form ""thirty years"" when referring to a duration of thirty years. "Thirty year" would only be correct as part of a compound adjective, such as in "a thirty-year mortgage".

What is the significance of the phrase "thirty years" in historical contexts?

In historical contexts, ""thirty years"" can refer to significant periods of change or conflict, such as the "Thirty Years' War", a major European conflict that lasted from 1618 to 1648.