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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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two years used

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "two years used" is not correct in standard written English.
It may be intended to convey the idea of something that has been in use for two years, but it lacks clarity and proper grammatical structure. Example: "The software has been in use for two years."

⚠ May contain grammatical issues

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

Dan Lilienfeld, who has been doing special visual effects for Smith for two years, used to be a committed Deadhead.

News & Media

The New Yorker

[C3.] F.D.A. Seizes Glaxo Tablets The Food and Drug Administration, angered by quality-control problems it said had dragged on for two years, used marshals to seize millions of tablets of the antidepressant Paxil CR and Avandamet, a diabetes medicine, from GlaxoSmithKline plants.

News & Media

The New York Times

With a steady supply of used luxury cars on the market – Pavan Shetty, head of operations for Lamborghini India, said that luxury car owners tended to buy new cars every two years – used car shoppers could find luxury cars for half the original price in many cases.

News & Media

The New York Times

"In chemistry, one to two years used to be the norm, but that time frame may be creeping up," Halford writes.

Science & Research

Science Magazine

Enough addresses to last two years used to be given out, he said, but now it only supplied sufficient to last six months.

News & Media

BBC

In addition, the IFN-γ flow cytometric assay in these two years used different fluA H3N2 strains matched to the vaccine antigen of each year.

Science

Plosone
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Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

The software was built over two years, using more than half a million lines of code.

News & Media

The New Yorker

The federal exam, which is given every two years, uses what it calls a representative sampling of students.

News & Media

The New York Times

After that, screening should be done every year with the regular Pap test or every two years using the liquid Pap until age 30.

CSIRO's Dr Francois Dufois, who will be on the ship, has been studying the eddies for more than two years using satellites and models, according to Hardman-Mountford.

News & Media

The Guardian

The setup has been operated in batch mode for approximately two years using acetate (1.0 g/L) as a substrate at 30°C.

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Expert writing Tips

Best practice

When describing the duration of use, prioritize clarity. Instead of "two years used", opt for phrases like "in use for two years" or "used for two years" to ensure grammatical correctness and avoid ambiguity.

Common error

Avoid using "used" directly after a time period without a connecting preposition. "Two years used" implies an incomplete thought. Instead, clarify the sentence to show what has been "used" during those two years, e.g., "The equipment was used for two years".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "two years used" functions as a descriptor, attempting to specify a duration related to an action. However, it lacks grammatical completeness. Ludwig AI suggests this phrasing is not correct in standard written English.

Expression frequency: Uncommon

Frequent in

News & Media

46%

Science

46%

Wiki

8%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "two years used" is often intended to describe the duration of usage for something. However, Ludwig AI flags it as grammatically incorrect. Instead of "two years used", prioritize clearer and grammatically sound alternatives such as "in use for two years" or "used for two years". These alternatives ensure that your writing is both precise and easy to understand. Usage appears most commonly in news and scientific contexts, but remember to prioritize clarity in all writing scenarios.

FAQs

How can I properly phrase a sentence about something being in use for two years?

Use phrases like "in use for two years" or "used for two years". These options provide grammatical correctness and clarity, avoiding the awkwardness of "two years used".

What is a more formal way to say something was "used for two years"?

For a more formal tone, consider "utilized for two years" or "in service for two years". These alternatives add a layer of professionalism and precision to your writing.

Is "two years used" grammatically correct, and if not, why?

No, "two years used" is not grammatically correct. The correct phrasing would clarify what was "used" during those two years or rephrase it to indicate the duration of use, such as "used over two years".

What are some alternatives to "two years used" that emphasize the duration of use?

Consider "having been used for two years" or "with two years of use". These options explicitly highlight the duration and the completed action of using something over that period.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: