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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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could only be used

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "could only be used" is correct and usable in written English.
You can use it when you want to express that something has a limited usage. Example: This specialized machine could only be used for one specific task.

✓ Grammatically correct

News & Media

Science

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

iTouches could only be used for music.

News & Media

The New York Times

The closed procedures could only be used in cases where "national security" was at risk.

News & Media

The Guardian

The roads between the villages could only be used during the dry season.

News & Media

The New York Times

If it could only be used for one, it would be Bowie.

News & Media

Independent

The mill, however, could only be used where the current flow was suitable for grinding.

It would cost, say, £15 a call to defray lost fees, and the number could only be used once.

Most soft money could only be used indirectly, advocating positions that the party supported and criticizing policies of the opposition.

News & Media

The New York Times

And money in this account could only be used for retirement, or passed along as an inheritance.

News & Media

The New York Times

Before it was introduced, the Home Secretary's powers of proscription could only be used against organisations directly involved in terrorism.

News & Media

Independent

Britain said several months ago that Iraq had been buying "significant quantities" of uranium from Africa that could only be used in an enrichment program.

News & Media

The New York Times

Among the requirements: the money could only be used for retail or commercial purposes, not to build housing, and it had to be done by for-profit entities.

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "could only be used", ensure the limitation or restriction is clearly defined to avoid ambiguity. For instance, specify what the item could be used for and what it could not.

Common error

Avoid using "could only be used" in situations where an active voice would make the sentence more direct and impactful. For example, instead of "The tool could only be used by experts", consider "Only experts could use the tool".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "could only be used" functions as a modal verb phrase, indicating a past ability or permission that was limited or restricted. As Ludwig AI explains, it is used to express that something had a limited usage. It shows what was possible or allowed within certain constraints.

Expression frequency: Very common

Frequent in

News & Media

42%

Science

33%

Wiki

5%

Less common in

Encyclopedias

2%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "could only be used" is a versatile phrase used to denote limited or restricted usage, frequently appearing in both news and scientific contexts. Ludwig AI confirms its correctness and usability in written English. While grammatically sound, remember to specify the limitation clearly and consider using active voice where appropriate. As we have seen from the examples provided by Ludwig, it's important to consider context and style when deciding whether to employ this modal verb phrase. Alternatives include "was limited to" or "was restricted to" for similar meanings with slight tonal variations.

FAQs

How can I rephrase "could only be used" to sound more formal?

For a more formal tone, consider alternatives such as "was restricted to", "was limited to", or "may only be employed for". Each of these options carries a slightly more elevated register.

What's a simpler way to say "could only be used"?

Simpler alternatives include phrases like "was just for" or "was only for". These options are more direct and less verbose than "could only be used".

Is there a difference between "could only be used" and "can only be used"?

"Could only be used" typically refers to a past restriction or limitation, while "can only be used" refers to a present or ongoing restriction. For example: "The software could only be used on Windows XP" (past) versus "The software can only be used on Windows 10" (present).

How do I specify the single purpose for which something "could only be used"?

To clearly specify the purpose, follow the phrase with "for" plus the specific use. For instance, "The grant could only be used for research expenses" clearly defines the limitation.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: