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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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three out of these

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "three out of these" is correct and usable in written English.
It can be used when referring to a selection or subset from a larger group, indicating that you are choosing three items from the mentioned options. Example: "From the list of available projects, I have decided to focus on three out of these that align with my interests."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

53 human-written examples

Three out of these seven mice were also implanted over the post-subiculum (coordinates from bregma: AP: −4.25 mm: ML: −1 to −2 mm; DV: 0.75 mm).

Science & Research

Nature

Three out of these 9 patients with removed SGN suffered femoral neck fractures in the early postoperative course after having been mobilized to full weight-bearing capacity.

High concentrations of Sn, Sb, Au, Ag, Ir, and Ni were found to be present in three out of these eight samples.

At 8 00 p.m. on the day of the test, three out of these ten questions are emailed to students, who are then required to submit short-essay responses by 9 00 p.m. by email to their discussion section leaders.

However, for three out of these five leaf-vertex-labeled trees, one internal vertex may have two different labels, which leads to the final eight different synthesis plans.

An interesting observation is that, in three out of these four isolates, rearrangements were revealed concurrently in futA and futB.

Science

Plosone
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Human-verified similar examples from authoritative sources

Similar Expressions

7 human-written examples

Two out of these three albums are worth owning.

News & Media

The New Yorker

Six out of these seven men were Jewish, or at least of Jewish background.

Four out of these 5 patients had 2 or more risk factors (9.5%).

Five out of these eight patients had headache of >2-years duration.

In nine out of these ten patients, both quantitative kinetic analyses could be obtained.

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Expert writing Tips

Best practice

When using "three out of these", ensure the total number of items being referred to is clear from the context. This avoids ambiguity and ensures the reader understands the proportion being discussed.

Common error

Avoid using "three out of these" when the "these" is not clearly defined or immediately preceding the phrase. Make sure the items you're referencing are explicitly stated to prevent confusion.

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 "three out of these" functions as a quantifying expression. It specifies a particular subset (three) from a larger, identified group ("these"). As Ludwig AI points out, this phrase is grammatically correct and widely used.

Expression frequency: Very common

Frequent in

Science

78%

Academia

8%

News & Media

6%

Less common in

Formal & Business

4%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "three out of these" is a grammatically sound and frequently employed expression used to indicate a specific quantity taken from a known group. Ludwig AI confirms its correctness and wide applicability. Predominantly found in scientific literature, it's also prevalent in academic and news-related contexts. While versatile, clarity is key: ensure the referent of "these" is always unambiguous. Alternatives like "three from these" offer concision, though "three out of these" provides a slightly more explicit sense of selection. When in doubt, spelling out "three" is advisable for formal writing.

FAQs

How can I rephrase "three out of these" to sound more formal?

You could use phrases like "a trio of these" or "three of the aforementioned", depending on the context and the desired level of formality.

Is it correct to say "3 out of these" instead of "three out of these" in formal writing?

While using numerals (3) is acceptable in some contexts, spelling out the number as "three" is generally preferred in formal writing. It maintains a higher level of elegance and readability.

What's the difference between "three out of these" and "three from these"?

The phrase "three from these" is a more concise alternative to "three out of these", but they are largely interchangeable. The latter might provide a slightly more explicit sense of selection, but the difference is subtle.

Can I use "three out of these" to refer to abstract concepts, or is it only for physical objects?

You can use "three out of these" for both abstract concepts and physical objects. For instance, "Three out of these considerations are crucial" is perfectly acceptable.

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Authority and reliability

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Real-world application tested

Most frequent sentences: