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

must have broken

Grammar usage guide and real-world examples

USAGE SUMMARY

"must have broken" is correct and usable in written English.
You can use it when you want to suggest or imply that something has broken or has been damaged in some way due to a likely cause. For example: "The glass vase was smashed, so it must have broken when someone knocked it off the shelf."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

31 human-written examples

The observation that the D3 GCR is a circular chromosome (Figure 1B) therefore indicates that this GCR must have broken again between the last breakpoint and the telomere, followed by joining of the broken end to the right telomere of chromosome V (Figure 5C).

Science

Plosone

"Something must have broken down.

News & Media

The New York Times

"It must have broken his heart".

News & Media

The New Yorker

"You must have broken her heart".

News & Media

The New Yorker

It must have broken her heart".

News & Media

The New Yorker

Must have broken every bone in his fluffy little body".

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

27 human-written examples

"I think the machine must have broke or something," he said.

People forget he also made a sidewinder for birdie on 16 that must have broke 20 feet.

News & Media

The New York Times

"I told my buddy afterward, I must have broke my jaw, because when I bite down my teeth don't come together," he recalled.

News & Media

The New Yorker

Therese Alampo, St Cyrus reserve manager, said: "The depth of the swell during the storms we had over the holidays must have broke apart the shipwreck some more and caused the lard to escape.

News & Media

BBC

I think a hinge must have broke in my hip".

News & Media

Huffington Post
Show more...

Expert writing Tips

Best practice

Use "must have broken" to indicate a logical conclusion based on available evidence, suggesting a high probability of something being broken or damaged. For example, "The window is cracked; someone must have broken it."

Common error

Avoid using "must have broken" when there's no supporting evidence or the conclusion is purely speculative. Instead, opt for phrases like "might have broken" or "could have broken" to indicate uncertainty.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "must have broken" functions as an epistemic modal, indicating a high degree of certainty or logical inference about a past event. Ludwig examples demonstrate its use in drawing conclusions from observed facts.

Expression frequency: Common

Frequent in

News & Media

63%

Science

25%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "must have broken" is a grammatically correct phrase used to express a strong inference about a past event. As confirmed by Ludwig, the phrase is commonly used across various contexts, particularly in news and media. While versatile, it's crucial to ensure there's sufficient evidence to support the conclusion drawn. Alternatives such as ""must have shattered"" or ""must have failed"" can offer nuanced meanings depending on the context.

FAQs

How can I use "must have broken" in a sentence?

Use "must have broken" to suggest something is damaged due to a logical reason. For example, "The toy isn't working; it "must have broken" inside".

What's the difference between "must have broken" and "might have broken"?

"Must have broken" suggests a high degree of certainty based on evidence, while "might have broken" indicates possibility or uncertainty. For instance, "The machine stopped working, it "must have broken"" implies a stronger belief than "it "might have broken"".

What are some alternative phrases for "must have broken"?

Alternatives include "must have shattered", "must have failed", or "must have malfunctioned" depending on the context and the specific type of breakage or damage.

Is it correct to say "must have breaked" instead of "must have broken"?

No, "must have breaked" is grammatically incorrect. The correct past participle of "break" is "broken", so the proper phrasing is ""must have broken"".

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

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: