testify that

USAGE SUMMARY

"testify that" is a correct and usable part of a sentence in written English.
You can use it when you want to make a statement or provide evidence to back something up. Example: "I testify that I was present at the scene of the accident."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

She was largely responsible for forcing Cardinal Levada to testify that day in 2006.

The New York Times

It is easy to testify that assumption holds and so are conditions (i)–(v) of Theorem 4.5.

Journal of Inequalities and Applications

I testify that there is no god but Allāh.

Encyclopedia Britannica

I testify that Muḥammad is the prophet of Allāh.

Encyclopedia Britannica

Burnley can testify that goalscorers can become unsettled.

The Guardian - Sport

John can testify that the notification is swift.

The New York Times - Health

But know now to testify that, not knowing, I believe".

The Guardian - TV & Radio

Pettitte is also expected to testify that he used H.G.H. in 2002 and 2005.

The New York Times - Sports

McNamee is expected to testify that he gave Clemens steroids and human growth hormone.

The New York Times - Sports

Experts have been called to testify that repressed memories can be planted in a susceptible mind.

The Economist

Mr. Bloomberg will testify that he was duped by Mr. Haggerty, Mr. Weinberg said.

The New York Times

Expert writing Tips

Best practice

Use "testify that" when you want to emphasize that you are providing evidence or making a formal statement about something you have direct knowledge of.

Common error

Avoid using "testify that" in very casual conversations; opt for simpler alternatives like "say" or "confirm" to maintain a natural tone.

Linguistic Context

The phrase "testify that" serves as a performative verb construction. It introduces a statement asserted as true based on the speaker's personal knowledge or experience. As Ludwig AI confirms, this phrase indicates providing evidence or making a formal declaration.

Expression frequency: Very common

Frequent in

News & Media

40%

Science

35%

Encyclopedias

10%

Less common in

Wiki

5%

Formal & Business

5%

Reference

5%

Ludwig's WRAP-UP

In summary, the phrase "testify that" is a grammatically correct and commonly used construction to introduce a formal declaration or provide evidence, as confirmed by Ludwig AI. It is most frequently found in news, science, and encyclopedic contexts, indicating a neutral to formal register. When writing, ensure that the context warrants a strong assertion of truth based on your knowledge. Remember, it is more appropriate for serious and formal situations rather than casual conversation.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

attest that

Similar to testify but can imply a formal or legal declaration.

witness that

Implies direct observation and bearing witness to an event.

vouch that

Highlights giving personal assurance or guarantee.

corroborate that

Focuses on providing additional evidence to support a claim.

confirm that

Emphasizes verifying the truth or accuracy of something.

prove that

Indicates conclusively demonstrating the truth of something.

declare that

Suggests a formal or official announcement.

show that

Indicates revealing or demonstrating something through evidence or examples.

illustrate that

Highlights using examples to make something clear.

express that

Focuses on conveying a thought or feeling rather than providing formal evidence.

FAQs

How can I use "testify that" in a sentence?

Use "testify that" when you want to formally declare something based on your direct experience or knowledge. For example, "I can testify that the information provided is accurate".

What can I say instead of "testify that"?

You can use alternatives like "confirm that", "attest that", or "declare that" depending on the context.

When is it appropriate to use "testify that"?

It's appropriate in situations where you want to emphasize the truthfulness and validity of your statement, often in legal, formal, or serious contexts.

What is the difference between "testify that" and "suggest that"?

"Testify that" implies a strong declaration of truth based on direct knowledge, while "suggest that" implies a hypothesis or opinion that may not be definitively proven.