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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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demonstrate a firm command

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "demonstrate a firm command" is correct and usable in written English.
It can be used when discussing someone's strong understanding or mastery of a subject or skill. Example: "In her presentation, she was able to demonstrate a firm command of the material, impressing everyone in the audience."

✓ Grammatically correct

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

It is time for Labour MPs to demonstrate a firm backbone and back the Ashley compromise.

News & Media

The Guardian

She'll also need to demonstrate a firm and imaginative grasp of policy.

In terms of Clinical Skills sub-scores, our data does not demonstrate a firm relationship with HPAT- Ireland either.

He has the confidence not to try to appeal to the audience's notion of entertainment, and, as his earlier plays, "Mr. Marmalade" and "Vigils," demonstrated, he has a firm command of the theatrical idiom to back up his ambition for originality.

News & Media

The New Yorker

She has a firm command of, but an easy way with, the written word.

Born in Guatemala in 1971, Halfon writes in Spanish but has a firm command of English.

Fadl displayed a firm command of Al Qaeda's financial structure, and asserted that it resembled that of an international conglomerate.

News & Media

The New Yorker

He has shown something short of a firm command of the intricacies of the government and its characters.

News & Media

The New York Times

In several months of recording, I never heard her raise her voice or deliver anything like a firm command.

News & Media

The New Yorker

At the school he apparently gained a firm command of Latin but probably received no more than a smattering of arithmetic.

And while English is widely spoken, most residents possess a firm command of three or four other languages.

News & Media

BBC
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Expert writing Tips

Best practice

Use "demonstrate a firm command" when you want to emphasize the active display of skill or expertise, not just its existence. This phrase is suitable when someone is actively showcasing their proficiency.

Common error

Avoid framing sentences where the subject's command is implied rather than actively demonstrated. Ensure the subject is the one actively showcasing their expertise, rather than having it be inferred.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

78%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "demonstrate a firm command" functions as a verb phrase indicating the active display or proof of one's skill, knowledge, or control over a subject or situation. While Ludwig AI indicates the phrase is correct, it also emphasizes the importance of context to ensure its appropriate usage.

Expression frequency: Missing

Frequent in

Science

0%

News & Media

0%

Formal & Business

0%

Less common in

Science

0%

News & Media

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "demonstrate a firm command" is used to describe someone actively showcasing their expertise. Ludwig AI confirms that the phrase is grammatically correct and usable in various written contexts. It is best used when emphasizing the active display of proficiency rather than just its presence. Alternative phrases include "exhibit a strong grasp" or "show a solid understanding". Keep in mind that while the phrase is grammatically sound, the context in which it's used should emphasize active skill demonstration.

FAQs

How can I use "demonstrate a firm command" in a sentence?

Use "demonstrate a firm command" to describe someone actively showcasing their expertise or skill in a particular area. For instance, "During the presentation, she was able to "demonstrate a firm command" of the subject matter".

What are some alternatives to "demonstrate a firm command"?

You can use alternatives like "exhibit a strong grasp", "show a solid understanding", or "display mastery of" depending on the context.

Is it better to say "demonstrate a firm command" or "have a good understanding"?

"Demonstrate a firm command" implies active display of skill, while "have a good understanding" simply suggests comprehension. The choice depends on whether you want to emphasize active performance or inherent knowledge.

When is it appropriate to use "demonstrate a firm command" in writing?

It's appropriate when describing situations where someone is actively and convincingly showcasing their skill or expertise. For example, in performance reviews, academic evaluations, or professional presentations.

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Source & Trust

78%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: