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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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had reason to

Grammar usage guide and real-world examples

USAGE SUMMARY

"had reason to" is a correct and usable phrase in written English.
You can use it to indicate that someone has determined something to be true or valid, usually based on facts or evidence. For example: "The police had reason to believe the suspect was guilty of the crime."

✓ Grammatically correct

News & Media

Formal & Business

Encyclopedias

Wiki

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They had reason to cheer.

News & Media

The Economist

Dobranski had reason to decline.

News & Media

The New Yorker

Mangini had reason to smile.

Spurrier had reason to gloat.

I never had reason to".

News & Media

The New Yorker

They had reason to be.

News & Media

The New York Times

Kazin had reason to feel self-possessed.

The public had reason to believe.

News & Media

The New Yorker

Bellow had reason to do so.

News & Media

The New Yorker

Luther had reason to be nervous.

But he had reason to resist.

News & Media

The Economist
Show more...

Expert writing Tips

Best practice

Use "had reason to" to clearly and directly state that someone's action or feeling was based on a logical or understandable cause. This phrase adds credibility to your writing by implying a rational basis for the subject's behavior.

Common error

Avoid using "had reason to" when you are merely speculating or guessing about someone's motives. This phrase implies a known justification, so reserve it for situations where the reason is clear or has been established.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "had reason to" functions as an idiomatic expression used to indicate that a person or entity had a valid justification or cause for a particular action, belief, or feeling. Ludwig AI confirms this with numerous examples showing its usage across various contexts.

Expression frequency: Very common

Frequent in

News & Media

50%

Formal & Business

15%

Academia

10%

Less common in

Encyclopedias

8%

Wiki

7%

Science

5%

Ludwig's WRAP-UP

In summary, the phrase "had reason to" is a versatile and commonly used expression to indicate a valid justification or cause for an action, belief, or feeling. Ludwig AI analysis, supported by numerous real-world examples, confirms its grammatical correctness and widespread application across various contexts, especially in News & Media. When using this phrase, make sure you provide context on why the subject "had reason to" do something, the more detail you provide, the better and avoid speculative scenarios in writing.

FAQs

How do you use "had reason to" in a sentence?

Use "had reason to" to indicate that someone possessed a valid or understandable justification for their actions or feelings. For example, "She "had reason to be concerned" when the test results came back."

What can I say instead of "had reason to"?

You can use alternatives like "had cause to", "was justified in", or "had grounds to" depending on the context.

Is it better to say "had a reason to" or "had reason to"?

"Had reason to" is generally more concise and idiomatic than "had a reason to". While both are grammatically correct, "had reason to" is often preferred in formal writing.

What's the nuance between "had reason to believe" and "had reason to know"?

"Had reason to believe" suggests a reasonable basis for suspicion or assumption, while "had reason to know" implies access to information that should have led to a certain conclusion. The first is about inference; the second is about awareness. The user "had reason to believe" the suspect was innocent because the evidence was circumstantial, while the accountant "had reason to know" about the embezzlement based on the financial records.

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Source & Trust

89%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: