be certain

USAGE SUMMARY

The phrase "be certain" is correct and usable in written English.
It can be used in contexts where you are indicating someone should be sure or confident about something. For example: "Be certain that you have double-checked all of the information before submitting your application."

✓ Grammatically correct

News & Media

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We can't be certain.

The Guardian - Sport

Needed to be certain".

The New York Times

How can we be certain?

The New York Times

Can they ever be certain?

The New York Times

How could he be certain?

The New Yorker

She can't be certain.

The Guardian - Lifestyle

"You can't be certain".

The Guardian

We cannot be certain.

The Guardian

"There have to be certain conditions.

The New York Times

It is hard to be certain.

The Economist

But Patterson wanted to be certain.

The New Yorker

Expert writing Tips

Best practice

When using "be certain" in instructions, follow it with a clear explanation of what needs to be done to achieve certainty. For example: "Be certain to check the expiration date before consuming."

Common error

Avoid using "be certain" without specifying what actions are necessary to ensure certainty. For example, instead of saying "Be certain about your decision", provide context: "Be certain about your decision by considering all available options and potential consequences."

Linguistic Context

The phrase "be certain" primarily functions as an imperative, urging someone to ensure a state of sureness or verification. This usage is reflected in Ludwig's examples, where it is used to give instructions or stress the importance of a specific action.

Expression frequency: Very common

Frequent in

News & Media

49%

Wiki

27%

Academia

12%

Less common in

Science

6%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "be certain" functions as an imperative, stressing the importance of assurance, verification, and accuracy. Ludwig AI confirms that it is grammatically correct and frequently used. Its neutral register makes it suitable for various contexts, from news and media to academic and general communication. When using this phrase, it's best practice to provide clear context for what needs to be verified, avoiding ambiguity. Related phrases such as "make sure", "ensure", and "verify" can offer alternative ways to express the same concept with slight differences in formality or emphasis.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

make sure

This alternative is more informal and direct in its instruction.

ensure

This alternative is more formal and emphasizes guaranteeing a specific outcome.

verify

This alternative focuses on confirming the truth or accuracy of something.

confirm

This alternative emphasizes the act of establishing something as true or valid.

ascertain

This alternative is more formal and suggests a careful investigation to determine something.

rest assured

This alternative offers reassurance and implies that there is no need to worry.

take care to

This alternative highlights the importance of paying attention to detail.

guarantee

This alternative emphasizes the certainty and reliability of an outcome.

double-check

This alternative specifically suggests a second review to avoid errors.

have no doubt

This alternative conveys a strong sense of conviction and certainty.

FAQs

How can I use "be certain" in a sentence?

You can use "be certain" to give instructions or express the importance of something. For example, "Be certain to double-check your work before submitting it", or "Be certain of your facts before making a statement".

What can I say instead of "be certain"?

Alternatives include "make sure", "ensure", "verify", or "confirm" depending on the context.

Is it better to say "be certain" or "be sure"?

"Be certain" and "be sure" are often interchangeable, but "be certain" can imply a slightly higher degree of confidence or verification. The choice depends on the specific context and desired emphasis.

When should I use "be certain" versus "rest assured"?

"Be certain" is used when giving instructions or emphasizing the importance of verification, while "rest assured" is used to offer reassurance and alleviate concerns. For example, "Be certain to lock the door" versus "Rest assured, the package will arrive on time".