I know this

USAGE SUMMARY

The phrase "I know this" is correct and usable in written English.
You can use it when you want to express your awareness or understanding of a particular fact or situation. Example: "I know this may be difficult to accept, but the changes are necessary for our progress."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

I know this wind.

The New Yorker

I know this man".

The New York Times - Sports

I know this firsthand.

The New York Times

I know this now.

The New Yorker

I know this inspector.

The New York Times

I know this woman.

The New York Times - Arts

I know this place".

The New Yorker

I know this game.

The New York Times

Do I know this?

The New Yorker

I know this".

The New York Times

I know this company.

The New York Times

Expert writing Tips

Best practice

Combine "I know this" with a reason or explanation to provide additional context, such as "I know this, because I researched the topic thoroughly".

Common error

Avoid starting multiple consecutive sentences with "I know this". Vary your sentence structure by using alternatives like "I am aware", "I understand", or rephrasing the sentence entirely for better readability.

Linguistic Context

The phrase "I know this" functions as a declarative statement expressing the speaker's understanding or awareness of a particular piece of information. It is often used to confirm knowledge or to indicate agreement. Ludwig AI shows this phrase is quite common.

Expression frequency: Very common

Frequent in

News & Media

67%

Science

12%

Formal & Business

8%

Less common in

Wiki

5%

Reference

3%

Social Media

3%

Ludwig's WRAP-UP

The phrase "I know this" is a versatile and frequently used expression indicating understanding or awareness. Ludwig AI confirms its grammatical correctness and widespread use across various contexts, especially in news and media. Alternatives such as "I am aware of this" or "I understand this" can provide subtle variations in tone. When writing, while "I know this" is generally acceptable, avoid overuse and strive for varied sentence structures to enhance clarity and readability. This analysis offers practical writing guidance and insights to refine your usage of the phrase effectively.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I am aware of this

Expresses a sense of being informed or conscious of the information.

I understand this

Conveys comprehension and grasp of the subject matter.

I am familiar with this

Indicates prior acquaintance or experience with the topic.

This is known to me

A more formal way of stating awareness or understanding.

I realize this

Suggests coming to an understanding or recognition of something.

I'm conscious of this

Highlights awareness and attentiveness to the matter at hand.

I have knowledge of this

Emphasizes possession of information or understanding about the subject.

This is clear to me

Expresses that the information is easily understood and apparent.

I comprehend this

Similar to 'I understand this', but may suggest a deeper or more thorough understanding.

I grasp this

Indicates a firm understanding or mental hold on the subject matter.

FAQs

How can I use "I know this" in a sentence?

You can use "I know this" to express your understanding or awareness of a fact or situation. For example, "I know this might be difficult, but we need to proceed". Or, you can use some alternative way to express your understating like "I am aware of this" or "I understand this".

What is a more formal way to say "I know this"?

In a more formal context, you might say "I am aware of this", "It is known to me", or "I comprehend this". These options convey a similar meaning with a more professional tone.

What are some alternatives to "I know this" that add more emphasis?

To add emphasis, consider using phrases like "I know this very well", "I am fully aware of this", or "I understand this completely". These variations highlight the depth of your understanding.

Is it grammatically correct to say "I know of this" instead of "I know this"?

While "I know this" typically refers to direct knowledge, "I know of this" implies an awareness of something's existence or general information about it. For instance, "I know this rule" versus "I know of this company".