then know

USAGE SUMMARY

"then know" is not a complete sentence and is not grammatically correct.
It can be used in a sentence as part of a conditional statement, for example: "If you do not understand, then know that you can ask for help." In this sentence, "then know" follows the conjunction "then" and is a verb phrase, giving a sense of urgency or instruction to the listener. However, it is more commonly used in spoken English and can sound informal or colloquial in written English.

⚠ May contain grammatical issues

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

We'll then know what our options are.

Independent

Would you then know what schizophrenia is?

The New York Times

We would then know where we stood.

The Guardian - Opinion

So, do we then know Joanna, the woman?

Independent

But I didn't then know who GA Auden was.

The Guardian - Books

He didn't then know quite where he came from.

The Guardian - Books

The public will then know what you are negotiating for.

The Guardian - Opinion

Even then, know that there may not be much practical advice at hand.

The New York Times

We will then know what kind of country France has become".

Independent

Some people would then know that their risk of dying young is far lower than average.

The Economist

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Until then, know that not everyone will give up their teeth so easily.

Huffington Post

Expert writing Tips

Best practice

When using "then know", ensure it is part of a conditional statement or instruction to maintain grammatical correctness. For example, "If you see a problem, then know that you have the power to fix it."

Common error

Avoid using "then know" as a standalone phrase outside of a conditional or instructional context, as it is grammatically incomplete. Instead, complete the thought or rephrase for clarity.

Linguistic Context

The phrase "then know" primarily functions as part of a conditional clause, often providing a directive or consequence based on a preceding condition. As Ludwig AI points out, it is not grammatically correct on its own but common within sentences.

Expression frequency: Very common

Frequent in

News & Media

35%

Wiki

30%

Science

15%

Less common in

Formal & Business

10%

Encyclopedias

5%

Reference

5%

Ludwig's WRAP-UP

The phrase "then know" is commonly used but grammatically questionable as a standalone phrase. Ludwig AI confirms that it's best employed within conditional statements or instructions, offering guidance based on a preceding condition. While frequently found in news, media, and wiki sources, its neutral tone and slight informality make it less ideal for highly formal contexts. Remember to use it correctly as part of a conditional clause to avoid grammatical errors.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

in that case, understand

This alternative specifies the condition and replaces "know" with "understand", emphasizing comprehension.

if so, be aware

This alternative uses "be aware" instead of "know" to highlight the state of being informed under a specific condition.

should that occur, realize

Replaces "know" with "realize" and adjusts the conditional clause for emphasis on understanding the implication.

under those circumstances, recognize

This option focuses on acknowledging something when specific conditions are met, substituting "know" with "recognize".

given that, take note

Replaces "know" with "take note" to emphasize paying attention to a fact based on a given condition.

following that, be informed

Emphasizes the receipt of information after a certain event, replacing "know" with "be informed".

in such a situation, comprehend

This highlights the understanding of something in a particular context, swapping "know" with "comprehend".

if this happens, perceive

Uses "perceive" instead of "know" to focus on the awareness of something occurring, contingent on a condition.

upon that, grasp

This replacement uses "grasp" instead of "know" to stress the understanding or comprehension following a specific event.

in that event, appreciate

Replaces "know" with "appreciate" to emphasize acknowledging or understanding something in a given situation.

FAQs

How can I correctly use "then know" in a sentence?

Use "then know" within a conditional statement or as part of an instruction. For instance, "If you are unsure, "then know" that help is available".

What are some alternatives to "then know" that I can use?

Depending on the context, you can use phrases like "be aware", "understand", or "realize" as alternatives.

Is it grammatically correct to start a sentence with "then know"?

No, starting a sentence with "then know" is generally grammatically incorrect. It needs to be part of a larger conditional or instructional context.

Which is the correct usage, "then know" or "then you know"?

"Then you know" is grammatically correct and complete. "Then know" is incomplete and typically requires a preceding condition. For example: "If you study hard, "then you know" you'll succeed."