I am sure that

USAGE SUMMARY

The phrase "I am sure that" is correct and usable in written English.
You can use it when you want to present a strong opinion or express something you are confident about. For example: "I am sure that this restaurant has the best pizza in town."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

With time I am sure that will change".

Independent

With you overseeing, I am sure that will not happen".

The Guardian

I am sure that is what he will do".

BBC

I am sure that is what she thinks I am.

Huffington Post

I am sure that it happened.

The New Yorker

I am sure that levitation is possible".

The New Yorker

I am sure that he meant it.

The Guardian - Lifestyle

I am sure that the hon.

The Guardian

I am sure that you are tempted to believe this.

The New York Times

And I am sure that he does, too.

The New Yorker

"I am sure that will never happen again," Jobson said.

The New York Times - Sports

Expert writing Tips

Best practice

Use "I am sure that" to express a strong belief or conviction, but consider the context and audience to ensure it doesn't come across as arrogant or dismissive. For less formal settings, contractions like "I'm sure that" are perfectly acceptable.

Common error

Avoid overuse of "I am sure that" in highly formal or academic writing. While grammatically correct, it can sometimes sound too assertive or subjective. Opt for more nuanced phrases like "It is evident that" or "The evidence suggests that" to maintain a more objective tone.

Linguistic Context

The phrase "I am sure that" functions as a declarative statement to express confidence or certainty about a particular fact, belief, or situation. It is often used to emphasize the speaker's conviction. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

45%

Science

25%

Formal & Business

15%

Less common in

Wiki

5%

Reference

5%

Social Media

5%

Ludwig's WRAP-UP

In summary, "I am sure that" is a versatile phrase used to express confidence or conviction. As Ludwig AI indicates, it's grammatically sound and common in various contexts. While its frequency in News & Media makes it generally neutral, avoid overuse in highly formal writing. Instead, opt for nuanced alternatives to maintain objectivity. Use it to persuade and reassure, but be mindful of your audience and the tone you want to convey.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

I'm convinced that

Replaces "am sure" with "am convinced", emphasizing a strong belief.

I'm certain that

Substitutes "am sure" with "am certain", indicating a firm and confident belief.

I'm positive that

Replaces "am sure" with "am positive", conveying a confident and definite affirmation.

I have no doubt that

Expresses certainty by negating doubt, indicating a firm conviction.

It's my belief that

Shifts the focus to a personal belief, conveying a confident opinion.

I feel confident that

Emphasizes the speaker's confidence in a particular outcome or statement.

I firmly believe that

Highlights the strength of the speaker's belief, conveying a resolute conviction.

I'm of the opinion that

Presents the statement as a personal opinion held with certainty.

I'd wager that

Introduces an element of speculation while still expressing a strong belief.

It's my understanding that

Suggests certainty based on the speaker's current comprehension or knowledge.

FAQs

How can I use "I am sure that" in a sentence?

You can use "I am sure that" to express a strong belief or confidence in something. For example, "I am sure that this new strategy will improve our sales".

What are some alternatives to "I am sure that"?

Alternatives to "I am sure that" include phrases like "I'm convinced that", "I'm certain that", or "I have no doubt that", depending on the level of confidence you want to convey.

Is it better to say "I am sure that" or "I'm sure that"?

Both "I am sure that" and "I'm sure that" are correct. "I am sure that" is slightly more formal, while "I'm sure that" is more conversational. Choose the one that fits the tone of your writing or speech.

What's the difference between "I am sure that" and "I think that"?

"I am sure that" expresses a higher degree of confidence than "I think that". Use "I am sure that" when you have a strong conviction, and "I think that" when you're expressing an opinion or belief that you're not entirely certain about.