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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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you need to know

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "you need to know" is correct and usable in written English.
It can be used when emphasizing important information that someone should be aware of or understand. Example: "Before you start the project, there are a few things you need to know about the requirements and deadlines."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

You need to know that".

News & Media

The New Yorker

So, what do you need to know?

News & Media

Independent

Read everything you need to know, here.

News & Media

Independent

You need to know what you believe.

News & Media

The New Yorker

You need to know your supplier.

News & Media

The Economist

Here is everything you need to know.

News & Media

Independent

You need to know what drives you.

News & Media

The New York Times

That's all you need to know.

What do you need to know?

News & Media

The New Yorker

Tells you all you need to know.

News & Media

Independent

You need to know what you want.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When using the phrase, ensure that the information you are about to provide is indeed crucial and directly relevant to the topic at hand.

Common error

Avoid starting multiple consecutive sentences or paragraphs with "you need to know". This can make your writing sound repetitive and less engaging. Instead, vary your sentence structure and use synonyms like "remember", "consider", or "it's important to understand".

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "you need to know" functions as an idiomatic expression used to introduce important or essential information that the speaker or writer believes the listener or reader should be aware of. As Ludwig AI suggests, it is grammatically correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

60%

Academia

23%

Wiki

13%

Less common in

Science

3%

Formal & Business

2%

Reference

1%

Ludwig's WRAP-UP

In summary, the phrase "you need to know" is a grammatically sound and frequently used expression to highlight essential information. Ludwig AI confirms its validity and widespread use across diverse contexts. Predominantly found in news, academic, and online guides, it serves to alert the audience to crucial details. While versatile, it’s best used judiciously to avoid repetition. Consider alternatives such as "it's important to understand" or "you should be aware of" to enhance clarity and engagement.

FAQs

How can I use "you need to know" in a sentence?

Use "you need to know" to introduce crucial or essential information. For example, "Before starting the project, "you need to know" the deadlines."

What are some alternatives to "you need to know"?

Alternatives include "it's important to understand", "you should be aware of", or "it's crucial that you realize", depending on the context.

Is it okay to start a paragraph with "you need to know"?

Yes, it is acceptable, but avoid overusing it. Starting multiple paragraphs with "you need to know" can make your writing sound repetitive. Vary your sentence structure for better readability.

What's the difference between "you need to know" and "you should know"?

"You need to know" implies that the information is essential or crucial, while "you should know" suggests that the information is recommended or beneficial but not strictly necessary.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: