Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

constant to be

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "constant to be" is not correct and does not convey a clear meaning in written English.
It may be intended to express a state of being or a quality that remains unchanged, but it lacks clarity and proper grammatical structure. Example: "The variables in this equation are constant to be considered for accurate results."

⚠ May contain grammatical issues

Science

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Equivalently, we can write Zipf's law as or as where and is a constant to be defined in Section 5.3.2.

Thus, we add a low-pass filter with a 10 kilo-olm resistor and a 0.1uF capacitor to get the time constant to be 1ms.

Bonamente and his colleagues find the Hubble constant to be 77 kilometers per second per megaparsec (a megaparsec is equal to 3.26 million light years), with an uncertainty of about 15%.

For samples isothermally crystallized at 260 °C, the lamellar thickness was constant to be ∼7.2 nm regardless of the CNC content.

Science

Polymer

The Rice Benoit approximation allowed both reaction order and rate constant to be found directly, provided only that a single-component gas phase existed.

Electrochemical techniques allow the measurement of SiF4 + xx− concentration evolution and thus the reaction rate constant to be calculated at different temperatures and for several fluoride media.

Analysing such a curve with the standard ZLC model causes the diffusional time constant to be underpredicted, whereas the adsorption related parameter L is overpredicted.

Some experimental limitations which make the rotating diffusion cell suitable only for a limited range of values of the standard rate constant to be determined were identified.

In addition to the reduction in dielectric loss tangents, the introduction of oxides would also be able to modify the dielectric constant to be suitable for practical design of various devices.

where h0 is a real constant to be determined appropriately.

Let, where is a positive constant to be chosen.

Show more...

Expert writing Tips

Best practice

Avoid using the phrase "constant to be". Instead, opt for clearer and grammatically correct alternatives such as "to remain constant", "to be kept constant", or "to be considered constant", depending on the intended meaning. This enhances clarity and professionalism in writing.

Common error

Writers sometimes use "constant to be" thinking it sounds more formal or technical. However, this phrase lacks grammatical correctness. Prioritize accuracy and clarity by using established grammatical structures even in technical writing.

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

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "constant to be" functions as an infinitive phrase, often intended to describe a state of unchanging quality or value assigned to a variable or parameter. However, Ludwig AI flags it as grammatically incorrect. The examples show its use across scientific and academic contexts despite its flawed structure.

Expression frequency: Very common

Frequent in

Science

60%

Academia

25%

Wiki

15%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "constant to be" is flagged by Ludwig AI as grammatically incorrect, despite its frequent appearance in various sources, particularly within scientific and academic domains. This suggests that while the phrase is commonly used, it's not grammatically sound and should be replaced with more accurate alternatives such as "to remain constant", "to be kept constant", or "to be considered constant". Prioritizing grammatical correctness enhances the clarity and credibility of your writing, especially in formal and technical contexts. Opt for these alternatives to ensure your message is conveyed effectively and accurately.

FAQs

What is a grammatically correct alternative to "constant to be"?

Instead of "constant to be", use phrases like "to remain constant", "to be kept constant", or "to be considered constant" depending on the intended context.

In what contexts might I want to say something is "constant to be" something else?

You might want to use the phrase "constant to be" when describing parameters or variables in a scientific or mathematical model. However, it's grammatically safer to say they "remain constant" or are "held constant".

Is "constant to be" ever considered acceptable in formal writing?

While the phrase "constant to be" appears in various sources, Ludwig AI suggests that it is not grammatically correct. It's preferable to use alternatives that are more grammatically sound, especially in formal writing.

How can I ensure I'm using the most accurate phrase when describing something that doesn't change?

Focus on using verbs that clearly indicate the state of being unchanging. Options include "remains constant", "is maintained", or "is considered" in conjunction with "constant" to achieve grammatical correctness and clarity.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

82%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: