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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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might have lost

Grammar usage guide and real-world examples

USAGE SUMMARY

"might have lost" is a perfectly correct and usable part of a sentence in written English.
You can use it to speculate about something that may or may not have happened in the past. For example: "I think I might have lost my keys when I was at the store."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They might have lost everything in Cuba.

News & Media

Independent

— I might have lost my football mind.

News & Media

The New York Times

"Then where?" "I might have lost it".

News & Media

The New Yorker

"He possibly saved a match that we might have lost.

News & Media

Independent

If anything, McGwire might have lost a vote or two.

We might have lost 12 million jobs".-Mr.

News & Media

The New York Times

Had he lost Illinois, he might have lost Wisconsin.

News & Media

The New York Times

(We might have lost 31,000 jobs in May too).

In another two years, people might have lost interest again.

News & Media

The Economist

Did she worry she might have lost her looks?

I might have won, I might have lost.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Use "might have lost" to express uncertainty about a past event. It suggests a possibility, not a certainty. For example, "He might have lost his way in the forest."

Common error

Avoid using "might have lost" when you want to express a strong certainty. "Must have lost" indicates a high degree of confidence, whereas "might have lost" expresses possibility or uncertainty. For example, instead of "He might have lost the key; I'm sure he did", use "He must have lost the key; I'm sure he did".

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "might have lost" functions as a modal verb phrase expressing possibility or uncertainty about a past action or event. As Ludwig AI confirms, this usage is grammatically correct. This phrase is typically used to speculate about potential outcomes.

Expression frequency: Very common

Frequent in

News & Media

75%

Science

15%

Formal & Business

10%

Less common in

Academia

0%

Wiki

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "might have lost" is a grammatically sound phrase used to express possibility or uncertainty regarding a past event. As Ludwig AI points out, it's suitable for diverse contexts. The phrase appears most frequently in News & Media, showcasing its versatility. When writing, remember that "might have lost" expresses doubt, unlike "must have lost", which implies certainty. Use alternatives like "could have misplaced" to fine-tune your meaning. Overall, "might have lost" is a reliable and versatile option for expressing uncertainty about past occurrences.

FAQs

How can I use "might have lost" in a sentence?

You can use "might have lost" to express a possibility or uncertainty about something that happened in the past. For example, "She might have lost her phone at the park."

What are some alternatives to "might have lost"?

Some alternatives include "could have misplaced", "may have forfeited", or "could have been defeated" depending on the specific context.

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

"Might have lost" indicates a possibility or uncertainty, while "must have lost" implies a strong degree of certainty or logical deduction. For example, "He might have lost his wallet" suggests it's possible, but not certain, whereas "He must have lost his wallet" suggests a strong belief that he did.

Is "might of lost" grammatically correct instead of "might have lost"?

No, "might of lost" is grammatically incorrect. The correct form is "might have lost". The auxiliary verb "have" is required to form the past perfect tense in conjunction with "might".

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Authority and reliability

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Real-world application tested

Most frequent sentences: