Used and loved by millions

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

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

I assure

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "I assure" is grammatically correct and can be used in written English.
It is often used to convey confidence or to give a promise or guarantee. It can also be used to reassure someone about something. Example: "I assure you that the project will be completed on time."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Fine, I assure her.

Nothing, I assure you.

I assure you".

News & Media

The New York Times

— Yes, I assure you.

News & Media

The New Yorker

"You?" "Definitely," I assure him.

News & Media

The New Yorker

Accidentally, I assure you.

News & Media

The Guardian

It was work, I assure you.

News & Media

The Economist

I assure him that I am.

News & Media

The New York Times

"I like this one," I assure him.

News & Media

The New York Times

(And I assure you it is).

News & Media

Independent

I assure you he will grow accustomed".

News & Media

The New Yorker
Show more...

Expert writing Tips

Best practice

Use "I assure" when you want to express confidence or provide reassurance about a statement or future event.

Common error

Avoid overuse of "I assure", as it can make your writing sound repetitive or insincere. Consider using synonyms like "I guarantee" or "I confirm" for variety and impact.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "I assure" functions as a declarative expression, used to convey confidence, offer reassurance, or make a promise. It's a way to strengthen a statement and convince the listener or reader of its validity, as confirmed by Ludwig.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "I assure" is a grammatically correct and versatile expression used to convey confidence, offer reassurance, or make a promise. Ludwig AI confirms its widespread use across various contexts, particularly in news and media. While "I assure" is generally neutral in register, it's important to avoid overuse and consider synonyms for variety. By following best practices and avoiding common errors, you can effectively use "I assure" to strengthen your communication and instill trust in your audience.

FAQs

How can I use "I assure" in a sentence?

You can use "I assure" to convey certainty or promise, such as "I assure you it will be done" or "I assure you that is correct".

What are some alternatives to using "I assure"?

Alternatives to "I assure" include phrases like "I guarantee", "I promise", or "I can confirm", which all express certainty or a firm commitment.

Is it more formal to say "I assure you" or "I promise you"?

"I assure you" tends to be slightly more formal than "I promise you", though both are widely acceptable in various contexts. The best choice depends on the specific situation and your desired tone.

What is the difference between "I assure" and "I assert"?

"I assure" conveys confidence and offers reassurance, while "I assert" implies a firm declaration or statement of fact, often used to defend a position or opinion.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: