I have noticed

USAGE SUMMARY

"I have noticed" is a correct and usable part of a sentence in written English.
You can use it whenever you want to express that you have noticed something. Example sentence: "I have noticed that the sky has become cloudy."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

And here is what I have noticed.

The New York Times

But I have noticed changes in myself.

The New York Times

I have noticed this effect myself.

The New York Times - Magazine

But lately I have noticed a shift.

The New York Times

"I have noticed an enormous evolution," Mr. Perrotin said.

The New York Times - Arts

"I have noticed in your issue of Spt.

The New Yorker

Republicans, I have noticed, go straight to the publisher".

The New York Times - Books

Within the last few years I have noticed a shift.

The Guardian - Opinion

But lately I have noticed many who are completely immobile.

The New York Times

The only privatisations I have noticed are minor and beneficial.

The Guardian

"Since 2008, I have noticed another worrying trend.

The Guardian

Expert writing Tips

Best practice

Use "I have noticed" to introduce an observation or a change you've perceived over time. This phrase is suitable for both formal and informal contexts.

Common error

While versatile, avoid overusing "I have noticed" in highly formal or academic writing. Opt for more objective alternatives like "It has been observed" or "Studies indicate" to maintain a neutral tone.

Linguistic Context

The phrase "I have noticed" serves as an introductory phrase to express a personal observation or awareness. According to Ludwig AI, it is a valid and usable part of a sentence in written English. It sets the stage for the speaker to share something they have perceived or become conscious of.

Expression frequency: Very common

Frequent in

News & Media

68%

Science

18%

Formal & Business

14%

Less common in

Ludwig's WRAP-UP

The phrase "I have noticed" is a versatile and grammatically sound way to introduce an observation or awareness, as confirmed by Ludwig AI. It is considered neutral in tone and suitable for various contexts, particularly in news, media, and business settings. While it's generally acceptable, more objective alternatives might be preferred in highly formal academic or scientific writing. Ludwig's examples demonstrate its common usage across reputable sources, underscoring its reliability and widespread applicability in expressing personal observations and insights.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I've observed

More concise and slightly less formal than "I have noticed".

I've seen

A more direct and common way of expressing observation.

I've recognized

Emphasizes identifying something familiar or expected.

I've perceived

A more formal and nuanced way of saying "I've seen" or "I've noticed".

I've detected

Implies a subtle or difficult-to-perceive observation.

I've discovered

Implies finding something new or previously unknown.

I've become aware of

Highlights the process of becoming conscious of something.

I've discerned

Suggests careful and perceptive observation.

It has come to my attention

More formal and often used to introduce a noteworthy fact.

I've realized

Indicates a deeper understanding or insight gained.

FAQs

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

Use "I have noticed" to introduce an observation or realization. For example, "I have noticed that the traffic has increased significantly this week."

What are some alternatives to "I have noticed"?

You can use alternatives such as "I have observed", "I've seen", or "it has come to my attention depending on the context.

Is "I have noticed" formal or informal?

"I have noticed" is generally considered neutral and can be used in both formal and informal settings. However, in highly formal writing, consider more objective alternatives.

What's the difference between "I have noticed" and "I noticed"?

"I have noticed" implies a more gradual realization or observation over time, while "I noticed" suggests a specific, immediate observation. For example, "I noticed the stain on the carpet just now", versus "I have noticed a gradual decline in his performance lately".