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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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must be filed

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "must be filed" is correct and usable in written English.
It is typically used to indicate that something is required to be submitted or organized in a specific manner, often in a formal or legal context. Example: "All tax returns must be filed by April 15th to avoid penalties."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

Complaints must be filed by April 1st.

News & Media

The Economist

Claims must be filed within three years.

These forms must be filed according to the college's deadlines.

News & Media

The New York Times

"Appeals must be filed by March 3," Ms. Stark said.

News & Media

The New York Times

It is not clear when a challenge must be filed.

News & Media

The New York Times

Claims must be filed with the court by Nov. 5.

News & Media

The New York Times

The applications must be filed by mid-February.

News & Media

The New York Times

The law says claims must be filed within two years of when they arise.

News & Media

The New York Times

Under federal law, most charges must be filed within five years of the conduct.

News & Media

The New York Times

Nomination papers must be filed by Nov. 22 for the Feb. 22 election.

News & Media

The New York Times

They must be filed promptly, and chief executives and financial officers must vouch for their accuracy.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

When using "must be filed", ensure that the context clearly indicates who is responsible for filing and by what deadline. Providing specific dates or timeframes will enhance clarity.

Common error

A frequent mistake is not clarifying the exact deadline for when something "must be filed". Always specify the date and time, and mention the consequences of missing the deadline to avoid confusion and potential issues.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "must be filed" functions as a passive construction indicating obligation or necessity. Ludwig AI confirms its common usage across various contexts, showing that actions or documents need to be officially submitted.

Expression frequency: Very common

Frequent in

News & Media

68%

Wiki

25%

Formal & Business

7%

Less common in

Academia

0%

Science

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "must be filed" serves as a clear indicator of a required action, typically within formal or legal contexts. As Ludwig AI highlights, it is grammatically sound and frequently used across diverse sources, particularly in news and media. When using this phrase, remember to specify deadlines and responsible parties for clarity. Alternatives include "is required to be submitted" or "needs to be submitted", depending on the desired level of formality. Understanding these nuances ensures precise and effective communication.

FAQs

What does "must be filed" mean?

The phrase "must be filed" indicates a requirement or obligation to submit a document, application, or claim by a specific date or according to certain regulations. It emphasizes the mandatory nature of the action.

What can I say instead of "must be filed"?

You can use alternatives like "is required to be submitted", "needs to be submitted", or "has to be lodged" depending on the context.

Is "must be filed" formal or informal?

The phrase "must be filed" is generally considered neutral to formal. It's commonly used in legal, official, and professional contexts to indicate a mandatory requirement.

When should I use "must be filed" over other similar phrases?

Use "must be filed" when you want to clearly and firmly state a requirement for submission. If the context is more casual or less formal, phrases like "needs to be submitted" may be more appropriate. However, in legal or official contexts, "must be filed" provides the necessary emphasis.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: