I guarantee

USAGE SUMMARY

The phrase "I guarantee" is correct and usable in written English.
You can use it when you want to assure someone that something will definitely happen or be true. Example: "I guarantee that you will be satisfied with the quality of our service."

✓ Grammatically correct

News & Media

Formal & Business

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

I guarantee three hours.

The New York Times

"I guarantee you that".

The New York Times

I guarantee it".

The New York Times

"I guarantee it," he said.

The New York Times

I guarantee they will.

The New York Times - Sports

I guarantee that.

The New York Times - Sports

I guarantee they'll move".

The New York Times

"I guarantee you'll be a mess".

The New York Times - Sports

I guarantee it," into popular culture.

The New York Times

"I guarantee you might win," he promised.

The New York Times

"I guarantee you they were thinking it".

The New York Times - Sports

Expert writing Tips

Best practice

Use "I guarantee" when you are confident in the truth or outcome of a situation and are willing to stand behind your statement. This phrase should be used when you have control or influence over the outcome.

Common error

Avoid using "I guarantee" excessively, especially in situations where you lack the authority or control to ensure the outcome. Overuse can diminish the phrase's impact and credibility.

Linguistic Context

The phrase "I guarantee" functions as a declarative statement, expressing a strong assurance or promise about a future event or current condition. As Ludwig AI confirms, it is a correct and usable expression in English. Examples in Ludwig show its use across various contexts, reinforcing its role as a statement of certainty.

Expression frequency: Very common

Frequent in

News & Media

55%

Formal & Business

25%

Academia

10%

Less common in

Science

5%

Encyclopedias

2%

Wiki

3%

Ludwig's WRAP-UP

In summary, the phrase "I guarantee" is a grammatically sound and widely used expression for conveying certainty and assurance. Ludwig AI confirms its correctness and usability in English. Its neutral register allows for use in diverse contexts, though it is most frequently found in news and media, as well as formal business settings. To avoid overuse, consider alternatives such as "I assure you" or "I promise you", ensuring that you have the authority and control to back up your guarantee.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I assure you

A more formal way to express certainty or a promise.

I promise you

A direct promise, implying a strong commitment.

I can assure you

Similar to "I assure you" but introduces an element of capability.

I can promise you

Expresses both the ability and willingness to guarantee something.

You can be sure

Shifts the focus to the listener's confidence in the outcome.

I am certain

Expresses a strong belief in the truth or certainty of something.

I am confident

Conveys a feeling of assurance and belief in a positive outcome.

Rest assured

Offers comfort and reassurance that something will be taken care of.

Without a doubt

Emphasizes the lack of uncertainty about a fact or event.

I can vouch for

To assert or confirm as a result of one's own experience.

FAQs

How do you use "I guarantee" in a sentence?

Use "I guarantee" to confidently assure someone of a specific outcome or truth. For example, "I guarantee you will be satisfied with our service".

What phrases can I use instead of "I guarantee"?

Alternatives include "I assure you", "I promise you", or "you can be sure" depending on the level of formality and context.

Is it better to say "I guarantee it" or "I guarantee that"?

Both "I guarantee it" and "I guarantee that" are grammatically correct. "I guarantee it" is more concise and commonly used. "I guarantee that" is typically followed by a more detailed explanation of what is being guaranteed.

What's the difference between "I guarantee" and "I hope"?

"I guarantee" expresses certainty and assurance, while "I hope" expresses a desire for a particular outcome without certainty. "I guarantee" implies a level of control or influence over the outcome, whereas "I hope" does not.