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

is mostly because

Grammar usage guide and real-world examples

USAGE SUMMARY

"is mostly because" is a correct and usable part of a sentence in written English.
This phrase is commonly used to explain the main reason for something. For example: "I was unable to attend the event, which is mostly because I was too busy with work."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

This is mostly because of his name.

But this is mostly because of the palace's parallel politicking.

News & Media

The Economist

But it is mostly because reactors are very expensive indeed.

News & Media

The Economist

This is mostly because of improvements in the job market.

That is mostly because of their fourth quarter against Toronto.

This is mostly because I know what is there.

That is mostly because Gabbert and Ponder are not nearly as talented, or as good-looking.

News & Media

The New York Times

This is mostly because there is little head-to-head competition between America and China.

News & Media

The New York Times

That is mostly because of stringent requirements under federal securities laws.

News & Media

The New York Times

This is mostly because Mr. Butler does not seem capable of conveying his character's inner life.

News & Media

The New York Times

But that is mostly because of luck, and luck does not last.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

When using "is mostly because", ensure the sentence clearly establishes the primary reason without excluding other contributing factors. This clarifies the main cause while acknowledging potential secondary influences.

Common error

Avoid using "is mostly because" when multiple factors contribute significantly. If the cause isn't truly dominant, use phrases like "is partly because" or "is influenced by" to provide a more balanced and accurate explanation.

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 "is mostly because" functions as a causal connector, linking a situation or outcome to its primary cause. As demonstrated by Ludwig, this construction is used to introduce the main reason for something, effectively explaining why something is the way it is.

Expression frequency: Very common

Frequent in

News & Media

43%

Science

30%

Formal & Business

10%

Less common in

Wiki

3%

Reference

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "is mostly because" is a common and grammatically sound phrase used to introduce the primary reason for a particular situation. As Ludwig AI confirms, it's widely employed across diverse contexts, including news, science, and formal communications. While alternatives like "is primarily due to" and "is largely attributable to" exist, it's important to use the phrase accurately, ensuring it truly reflects the main cause. When writing, ensure clarity by identifying the dominant factor and avoiding overstatements if multiple factors contribute significantly. By following these best practices, you can effectively use "is mostly because" to provide clear and informative explanations.

FAQs

How can I use "is mostly because" in a sentence?

You can use "is mostly because" to introduce the primary reason for a situation. For example, "The project was delayed, which "is mostly because" of unforeseen technical issues."

What are some alternatives to "is mostly because"?

Alternatives include phrases like "is primarily due to", "is largely attributable to", or "is mainly a result of", depending on the context and desired level of formality.

Is it correct to say "is mostly because of"?

Yes, using "is mostly because of" is grammatically correct and emphasizes that the reason is due to a specific factor. For example, "The success "is mostly because" of their hard work."

What is the difference between "is mostly because" and "is partly because"?

"Is mostly because" indicates the primary or main reason, while "is partly because" suggests one of several contributing factors. Use ""is mostly because"" when the reason is dominant and "is partly because" when it's just one of many reasons.

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

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: