i am certain that

USAGE SUMMARY

The phrase 'I am certain that' is correct and usable in written English.
It is used to express confidence and conviction in something. For example: "I am certain that this new project will be a success."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

And I am certain that the F.C.I.C. would confirm that".

The New York Times

I disagree, and I am certain that I am right.

The New Yorker

Because I am certain that there is reason to fear.

The New York Times

I am certain that your children do, too.

The Guardian

I am certain that I require anti-depressant medication".

The Guardian - Money

Nevertheless, I am certain that the flying-machine is coming".

The Guardian

"I am certain that it was a drone".

The Guardian

"I am certain that this is absolutely untrue," he said.

The New York Times

I am certain that the accusation is groundless".

The New York Times - Books

I am certain that one day I saw him driving an … Audi.

The Guardian

I learned to be a parent, but I am certain that I was extremely inconsistent.

The New York Times - Magazine

Expert writing Tips

Best practice

Use "i am certain that" to express a strong conviction based on evidence or personal experience. Ensure the context supports the level of certainty you're conveying.

Common error

Avoid using "i am certain that" when your belief is based on speculation or limited information. Instead, opt for phrases that convey a lower degree of confidence, such as "i believe that" or "i suspect that".

Linguistic Context

The phrase "i am certain that" serves as a declarative statement expressing a speaker's strong conviction or belief. Ludwig AI confirms its correctness and usability. It introduces a proposition the speaker holds to be true, often based on evidence or personal experience.

Expression frequency: Very common

Frequent in

News & Media

79%

Science

9%

Formal & Business

2%

Less common in

Wiki

1%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, "i am certain that" is a versatile phrase used to express strong conviction or belief. Ludwig AI confirms its grammatical correctness and frequent usage in various contexts, particularly in News & Media. While it's suitable for diverse registers, avoid overstating certainty without sufficient evidence. Consider related phrases like "i am sure that" or "i am convinced that" for slightly different nuances. Use this phrase judiciously to add weight and credibility to your statements.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

i am convinced that

Uses "convinced" instead of "certain", implying a strong belief based on evidence.

i am sure that

Replaces "certain" with "sure", offering a slightly less formal tone while maintaining a similar level of confidence.

i am positive that

Substitutes "certain" with "positive", indicating a firm and confident assertion.

i have no doubt that

Expresses certainty by negating doubt, providing a slightly more emphatic tone.

it is my firm belief that

Uses a more formal structure to express a strong and unwavering conviction.

i truly believe that

Emphasizes the sincerity of the belief, adding a personal and emotional element.

i feel confident that

Focuses on the feeling of confidence underlying the assertion, rather than direct certainty.

i can assure you that

Offers a direct assurance to the listener or reader, emphasizing the speaker's reliability.

i am of the opinion that

Presents the statement as a considered judgment, suggesting a reasoned perspective.

it is undeniable that

Shifts the focus to the objective nature of the certainty, implying that the statement is self-evidently true.

FAQs

How can I use "i am certain that" in a sentence?

Use "i am certain that" to express a strong belief or conviction about something. For example: "I am certain that the team will win the championship this year."

What are some alternatives to "i am certain that"?

You can use alternatives like "i am sure that", "i am convinced that", or "i have no doubt that" depending on the context.

Is it better to say "i am certain that" or "i am sure that"?

"I am certain that" and "i am sure that" are very similar. "I am certain that" conveys a slightly stronger sense of conviction than "i am sure that", but they are often interchangeable.

When should I avoid using "i am certain that"?

Avoid using "i am certain that" if you lack sufficient evidence to support your claim. In such cases, it's better to use phrases that indicate a lower degree of confidence, such as "i believe that" or "i suspect that".