became certain that

USAGE SUMMARY

The phrase "became certain that" is correct and usable in written English.
You can use it when expressing a realization or conclusion about something that has been confirmed or established. Example: "After reviewing all the evidence, she became certain that her initial assumptions were incorrect."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

20 human-written examples

Returning to the holdall, studying the zips and lock, police became certain that he could not have locked himself inside.

The Guardian

That has been said many times since it became certain that the Governor would have a majority, and tonight it was put to the test.

The New York Times

If there was a single moment in the monthlong trial when I became certain that the charges against Noreen were true, it was this one.

The New York Times - Magazine

Not long before September 11 , 2001 for instance, several U.S. counterterrorism officials became certain that a drone had captured footage of bin Laden in a locale he was known to frequent in Afghanistan.

The New Yorker

When it became certain that the Soviet Union would veto his reelection in the Security Council, his term was extended for three years (without formal reelection) by the General Assembly.

Encyclopedia Britannica

After a period of mystical contemplation, he became certain that pure philosophical systems are contradictory and illusory and that the intellect should be used only to destroy trust in human logic.

Encyclopedia Britannica

Human-verified similar examples from authoritative sources

Similar Expressions

40 human-written examples

And Camille becomes certain that her husband is hiding an affair.

The New York Times - Books

You get stuck in ruts and you become certain that nothing will ever be any different.

The Guardian - Lifestyle

About four times a week I become certain that one of my two cats has either run away or somehow become trapped in a wall or inside a major appliance.

The New York Times - Tech

Cameron said: "You can get to a level of government debt where, not that it becomes certain that people will cease to lend you the money, but you start running risks of them demanding higher premia, higher interest rates.

The Guardian

The book says: "Once it had become certain that Moro's revelations touched on issues that were vital for the security of the Atlantic Alliance, the Anglo-American faction had moved into action and had activated the Lord of Gladio". The intermediary of the title is Igor Markevitch, a Ukrainian-born conductor and composer who enjoyed an international reputation during the 1960s and 70s.

The Guardian

Expert writing Tips

Best practice

Use "became certain that" to indicate a shift in understanding or conviction, often after a period of doubt or uncertainty. It shows a conclusive end to the questioning process.

Common error

Avoid using "became certain that" when the situation involves assumptions or speculation rather than concrete evidence. Instead, use softer phrases like "suspected that" or "believed that" when actual evidence is lacking.

Linguistic Context

The phrase "became certain that" functions as a connector introducing a clause expressing a state of conviction or certainty. It often follows a period of investigation or reflection, as evidenced by examples in Ludwig.

Expression frequency: Uncommon

Frequent in

News & Media

40%

Encyclopedias

20%

Science

20%

Less common in

Formal & Business

10%

Wiki

5%

Academia

5%

Ludwig's WRAP-UP

The phrase "became certain that" is a useful construction to indicate a shift in understanding or belief. Ludwig AI states that the phrase is correct and usable in written English, and the examples demonstrate its versatility across various contexts, including news, encyclopedias, and scientific publications. While "concluded that" or "realized that" can serve as alternatives, "became certain that" specifically emphasizes the process of achieving conviction, making it a valuable addition to one's writing toolkit. Keep in mind that certainty should be based on evidence and sound reasoning.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

was convinced that

Indicates a state of being persuaded or assured.

concluded that

Emphasizes the process of reaching a decision or judgment based on available information.

was sure that

Expresses a feeling of confidence without necessarily implying a preceding process.

realized that

Focuses on the moment of understanding or awareness.

had no doubt that

Emphasizes the absence of uncertainty or skepticism.

determined that

Implies a firm decision or establishment of a fact.

felt confident that

Focuses on the emotional aspect of certainty.

ascertained that

Highlights the act of discovering something through investigation.

came to believe that

Highlights the process of developing a belief over time.

grew sure that

Implies that certainty increased gradually over time.

FAQs

How can I use "became certain that" in a sentence?

Use "became certain that" to indicate a transition to a state of sureness. For example: "After analyzing the data, the scientist "became certain that" the hypothesis was correct."

What can I say instead of "became certain that"?

You can use alternatives like "concluded that", "realized that", or "was convinced that", depending on the context.

Is it better to use "became certain that" or "was certain that"?

"Became certain that" implies a process of gaining certainty, while "was certain that" suggests a pre-existing state. Choose the phrase that best reflects the situation.

What's the difference between "became certain that" and "became aware that"?

"Became certain that" implies a strong conviction, while "became aware that" simply means gaining knowledge or recognition of something. Certainty involves a level of confidence that awareness does not.