have not noticed

USAGE SUMMARY

"have not noticed" is correct and usable in written English.
You can use it to say that you have been unaware of something, for example: "I have not noticed any changes since the new policy was implemented."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

We have not noticed them so far.

The New York Times

"What some people have not noticed is the message".

The New York Times - Arts

"I notice that I have not noticed the skyscrapers, they seemed to me perfectly natural".

The New York Times

Industry officials generally insist that most customers have not noticed a change.

The New York Times - Science

In case the Giants have not noticed, that sentiment, at least, is already prevalent.

The New York Times - Sports

I have not noticed anyone in black suits with ear pieces or carrying walkie-talkies.

The New York Times - Style

Breakup supporters, however, say they have not noticed the promised improvements.

The New York Times

(Or that they have not noticed that bags are not matched to passengers on connecting flights).

The New York Times

If there is, those in a position to know have not noticed.

The New York Times

While Sprint's network and its customer service have improved, prospective customers have not noticed yet.

The New York Times - Tech

In case you have not noticed, the South Asian population is rapidly rising in this city.

The New York Times

Expert writing Tips

Best practice

When using "have not noticed", ensure the tense aligns with the overall context. For ongoing situations, use the present perfect continuous: 'I have not been noticing any changes lately.'

Common error

Avoid shifting tenses mid-sentence when using "have not noticed". For example, don't say: "I have not noticed it, but I will check later." Maintain the same tense: "I have not noticed it, but I will check it later" or “I did not notice it, but I checked later”.

Linguistic Context

The phrase "have not noticed" functions as a verb phrase indicating a lack of awareness or perception. It combines the auxiliary verb 'have' with 'not' to negate the action of 'noticing'. Ludwig AI confirms its grammatical correctness, aligning with examples where it expresses an absence of observation.

Expression frequency: Very common

Frequent in

News & Media

47%

Science

25%

Formal & Business

10%

Less common in

Academia

5%

Encyclopedias

3%

Reference

2%

Ludwig's WRAP-UP

In summary, "have not noticed" is a grammatically sound and frequently used verb phrase indicating a lack of awareness. As Ludwig AI confirms, it's correct and applicable across various contexts, particularly in News & Media and Scientific writing. When using this phrase, ensure tense consistency and choose semantically similar alternatives, such as "failed to observe" or "remained unaware of", to add nuance to your writing. Remember, "have not noticed" effectively communicates a lack of perception, contributing to clear and informative communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

failed to observe

Focuses on the act of not actively observing something, implying a lack of attention.

did not detect

Emphasizes the lack of detection, often used in scientific or technical contexts.

remained unaware of

Highlights a continued state of not knowing or realizing something.

were oblivious to

Indicates a complete lack of awareness, often due to being preoccupied or disinterested.

missed the significance of

Stresses a failure to understand the importance or meaning of something.

overlooked

Implies that something was present but not seen or considered.

were blind to

Suggests a strong inability to see or understand, often metaphorically.

did not perceive

Focuses on the lack of sensory or intellectual perception.

paid no attention to

Emphasizes the intentional act of not giving something focus or thought.

were ignorant of

Implies a lack of knowledge or information about something.

FAQs

How can I use "have not noticed" in a sentence?

You can use "have not noticed" to indicate a lack of awareness or perception. For example, "I "have not noticed" any changes since the update" or "They "have not noticed" the error in the report".

What's a formal alternative to "have not noticed"?

In formal contexts, consider using phrases like "failed to observe", "did not detect", or "remained unaware of". These alternatives offer a more professional tone than ""have not noticed"".

What's the difference between "have not noticed" and "didn't notice"?

"Have not noticed" (present perfect) typically refers to a state extending from the past to the present, while "didn't notice" (simple past) refers to a specific event in the past. For example, "I "have not noticed" any improvement recently" versus "I didn't notice you there".

What can I say instead of ""have not noticed""?

You can use alternatives like "failed to observe", "did not detect", or "were unaware of" depending on the context.