I sure

USAGE SUMMARY

The phrase "I sure" is not correct and usable in written English.
To make a statement of certainty, use the phrase "I'm sure" instead. For example, "I'm sure I left my keys in the kitchen."

⚠ May contain grammatical issues

News & Media

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

yes i sure did.

Huffington Post

But I sure will.

The New York Times

"Because I sure don't".

The New Yorker

KAZAN: I sure have!

The New Yorker

I sure hope so.

The New York Times

I sure do".

The New Yorker

I sure have.

The New York Times

I sure did, though.

The New Yorker

I sure would.

The New York Times

"I sure did".

The New York Times

I sure can't".

The New York Times

Expert writing Tips

Best practice

When aiming for formal or grammatically correct writing, replace "I sure" with "I am sure" or other appropriate alternatives like "I certainly" or "I definitely".

Common error

Avoid using "I sure" in formal essays, business communications, or academic papers. While acceptable in casual conversation, it can detract from the credibility and professionalism of your writing.

Linguistic Context

The phrase "I sure" functions primarily as an informal affirmation or agreement. Despite not adhering to strict grammatical standards, it conveys a sense of certainty or confirmation, similar to phrases like "I am sure" or "I definitely". Ludwig AI notes its frequent use in informal contexts.

Expression frequency: Very common

Frequent in

News & Media

100%

Less common in

Science

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

The phrase "I sure" is a common expression used to convey affirmation or agreement, especially in informal settings. However, it's grammatically incorrect, with "I am sure" being the standard alternative. Ludwig AI flags it as such. While frequently found in news and media sources, its usage should be limited to casual contexts, avoiding formal or academic writing where grammatically correct alternatives like "I am sure", "I certainly", or "I definitely" are more appropriate. Ludwig's examples and analysis emphasize the importance of considering the context when choosing between "I sure" and its more formal counterparts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I am sure

This is the grammatically correct and most direct substitute, clearly expressing certainty.

I certainly

This alternative uses an adverb to convey a strong sense of certainty, similar to "I sure".

I definitely

Another adverbial form to express strong agreement or certainty.

I do

Used for emphasis in response to a question, implying agreement or confirmation.

Indeed I do

Emphasizes agreement, adding a formal tone.

Absolutely

A single-word affirmative response, indicating complete agreement or certainty.

Of course

Implies that something is obvious or naturally follows.

I agree

Expresses explicit agreement with a statement or idea.

I concur

A more formal synonym for "I agree", indicating agreement.

I acknowledge

Indicates recognition or acceptance of something as true or valid.

FAQs

What is the grammatically correct alternative to "I sure"?

The grammatically correct alternative to "I sure" is "I am sure". This phrase expresses certainty or agreement in a grammatically standard way.

When is it appropriate to use "I sure"?

"I sure" is generally appropriate only in informal contexts such as casual conversations or informal writing where strict grammatical rules are not enforced. In formal writing, it's best to use "I am sure" or other alternatives.

What are some alternatives to "I sure" for expressing agreement?

Alternatives to "I sure" for expressing agreement include "I certainly", "I definitely", "Absolutely", or simply "I agree", depending on the level of formality required.

Is there a difference in meaning between "I sure" and "I am sure"?

While both phrases can convey a sense of certainty or agreement, "I am sure" is grammatically correct and suitable for all contexts, whereas "I sure" is considered informal and may not be appropriate in formal writing or speech. There is no real difference in meaning but a great difference in formality.