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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are mostly to do

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are mostly to do" is not correct in standard written English.
It may be intended to express that something primarily involves certain activities or tasks, but it lacks clarity and proper structure. Example: "The challenges we face are mostly to do with resource allocation and time management."

⚠ May contain grammatical issues

News & Media

The Guardian - Books

The Economist

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

I think bad holidays are mostly to do with people, whereas good ones are more to do with the circumstances.

News & Media

Independent

He admits (five times, as meticulously recorded in the index) to "anorak" tendencies: his strongest passions are mostly to do with constitutional, administrative and electoral arrangements.

By contrast, the Republicans refused to tighten the Corporate Average Fuel Economy law, which dictates the fuel efficiency of new vehicles.The few improvements are mostly to do with the electricity sector.

News & Media

The Economist

Berlusconi's problems on the domestic stage are mostly to do with rifts in his own governing coalition – mainly with his deputy, Gianfranco Fini (the third power in the state, after President Napolitano and Berlusconi).

The variations in Labour's lead recorded in recent opinion polls are mostly to do with how the non-Conservative two-thirds of the country is saying it will divide its favours, with the highest Labour leads being generated by unrealistically low levels of Lib Dem support.

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

That's mostly to do with Ralph.

Choosing it to be at 6.30pm was mostly to do with trying to reach as many people as possible.

A REMARKABLE recent improvement in the way China's murky politics is conducted is mostly to do with the succession process at the highest levels of the Chinese Communist Party.

News & Media

The Economist

The reason for this is mostly to do with the internal politics of the broader Liberal movement and only a little to do with ideology.

He wrote: "Before, such ideas were mostly to do with so-called government communications (how to make them independent from western technologies).

News & Media

The Guardian

They were perhaps a little behind America in the past, but that's mostly to do with the fact that we pull from a population that is so much bigger — it's a numbers thing.

News & Media

The New York Times
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Expert writing Tips

Best practice

When writing, prefer clearer and more grammatically accepted alternatives such as "are mainly about" or "are primarily related to" instead of the phrase "are mostly to do".

Common error

Using "are mostly to do" can make your writing sound unnatural. Instead, use a more direct expression such as "mainly involve" or "primarily concern" to improve clarity and readability.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

94%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are mostly to do" functions as a connector, indicating the primary focus or involvement in something. However, as Ludwig AI notes, it's not standard English and clearer alternatives are preferred.

Expression frequency: Rare

Frequent in

News & Media

60%

The Guardian - Books

20%

The Economist

20%

Less common in

Science

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, while the phrase "are mostly to do" is used to indicate primary involvement or focus, it's considered grammatically questionable. Ludwig AI identifies it as non-standard English, and more precise alternatives like "are mainly about" or "are primarily related to" are recommended. Although the phrase appears in news and media sources, it's best to avoid it in formal or scientific writing. Using clearer and more direct language enhances readability and avoids awkward phrasing.

FAQs

What are some alternatives to "are mostly to do"?

You can use alternatives like "are primarily concerned with", "mainly involve", or "are largely related to" depending on the context.

Is "are mostly to do" grammatically correct?

While understandable, "are mostly to do" is not considered standard English. It's better to use clearer phrases like "are mainly about" or "are primarily related to".

When should I use "are mostly to do"?

It's generally advisable to avoid "are mostly to do" in formal writing. Opt for more precise and commonly accepted alternatives such as "are chiefly associated with" or "are fundamentally about".

What's the difference between "are mostly to do" and "are mainly about"?

"Are mainly about" is a more direct and grammatically correct way to express that something primarily concerns a specific topic or activity, unlike "are mostly to do" which sounds awkward and less precise. Consider using "are largely related to".

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Source & Trust

94%

Authority and reliability

2.8/5

Expert rating

Real-world application tested

Most frequent sentences: