could have noticed

USAGE SUMMARY

The phrase "could have noticed" is correct and usable in written English.
It is typically used to express a missed opportunity or realization in the past. Example: "If I had been paying more attention, I could have noticed the mistake before submitting the report."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

10 human-written examples

But others were clear beforehand, and analysts could have noticed them.

The New Yorker

But anyone who has been looking around could have noticed much the same trend.

The New York Times

The computational linguist Jack Grieve uses this approach to generate maps revealing truths about language that no one had or, for that matter, could have—noticed before.

The New Yorker

Although few visitors to Rome could have noticed the small plaque mounted on the wall of the Foro dei Imperiali dedicated to Bikila, he remains a local hero, the "escaping Ethiopian" who ran Italy into the democratic dawn.

The Guardian - Sport

Now she feels a sense of guilt and remorse and is asking herself if she could have seen this, or could have noticed a change in her son's behaviour.

The Guardian

*Where was a proofreader with a literary bent at the Blattner Brunner agency in Pittsburgh who could have noticed that a recent print advertisement for a client, Wild Wings, rendered the name of the author of "Gettysburg" as "Mackin Lay Kantor" rather than MacKinlay Kantor?

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

Although I received my education at the all-female Smith College, my few post-college years have actually stirred my feminine consciousness more than Smith ever could have (notice I didn't say "feminist consciousness" because, let's be honest, caring about the equal treatment of women in society doesn't make people feminists -- it makes them good humans).

Huffington Post

How could nobody have noticed?

The Guardian - Sport

Could someone have noticed that Hispanics voted Democratic by a margin of 27 percentage points in 2000?

The New York Times

The victim's mother is struggling to understand how the officer couldn't have noticed she wasn't in her own apartment, NBC News reported.

The Washington Post

"According to the current evaluation, company management could not have noticed the signs of the natural catastrophe nor done anything to prevent it even while carefully respecting technological procedures," MAL said in a statement.

Independent

Expert writing Tips

Best practice

Use "could have noticed" to express that someone had the opportunity to observe something but did not, often implying a missed chance or oversight. For example, "If you had checked the data more carefully, you "could have noticed" the error."

Common error

Avoid interchanging "could have noticed" with "should have noticed" or "would have noticed" without considering the subtle differences in meaning. "Should have" implies a stronger expectation or obligation, while "would have" suggests a conditional outcome.

Linguistic Context

The phrase "could have noticed" functions as a modal phrase, expressing possibility or potential in the past. It indicates that someone had the ability or opportunity to observe something, but it is implied that they did not. This is supported by Ludwig AI, which classifies the phrase as correct and usable.

Expression frequency: Uncommon

Frequent in

News & Media

70%

Science

20%

Wiki

10%

Less common in

Academia

0%

Encyclopedias

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "could have noticed" is a grammatically sound modal phrase used to express a missed opportunity for observation or a past potential. According to Ludwig AI, the phrase is correct and usable in written English. Its usage is most frequent in news and media contexts, with neutral formality. When writing, be mindful of the subtle differences between "could have", "should have", and "would have" to ensure accurate expression. Consider using alternatives like "might have observed" or "should have seen" to vary your language. By understanding these nuances, you can effectively use "could have noticed" in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

might have observed

Emphasizes a possibility of observation in the past, similar to noticing, but with a slightly more formal tone.

should have seen

Highlights an expectation that something should have been seen or recognized, indicating a potential oversight.

would have detected

Suggests a capability or expectation of detecting something if conditions were different or attention was given.

may have perceived

Indicates a possibility that something could have been perceived, suggesting a subtle or less obvious observation.

might have recognized

Focuses on the potential for recognition, implying that something familiar or known could have been identified.

should have been aware of

Highlights a responsibility or expectation to be conscious of something, implying a lack of awareness.

would have picked up on

Suggests the ability to subtly detect or understand something, implying a potential missed signal.

may have become conscious of

Indicates a possible development of awareness, suggesting a gradual realization that could have occurred.

might have taken note of

Emphasizes the act of recording or acknowledging something, implying a potential failure to document an observation.

should have paid attention to

Highlights the importance of giving focus to something, indicating that a failure to pay attention led to a missed observation.

FAQs

How can I use "could have noticed" in a sentence?

Use "could have noticed" to indicate a missed opportunity for observation. For example, "He "could have noticed" the signs if he had been paying closer attention."

What's a more formal alternative to "could have noticed"?

For a more formal tone, consider using "might have observed" or "may have perceived". These options provide a similar meaning but with a slightly elevated level of formality.

What's the difference between "could have noticed" and "should have noticed"?

"Could have noticed" implies a possibility that something was missed, while "should have noticed" suggests a stronger obligation or expectation that something should have been observed. The latter often carries a tone of mild criticism or disappointment.

When is it appropriate to use "could have noticed"?

It's appropriate to use "could have noticed" when discussing a situation where someone had the ability or opportunity to observe something but did not, whether due to lack of attention, oversight, or other factors.