then I know

USAGE SUMMARY

The phrase "then I know" is both correct and usable in written English.
You can use it in a variety of contexts, such as when noting a result of an action or consequence. For example: "I studied for the exam, then I know I did my best."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

And then I know.

The New Yorker

Then I know it did".

The New Yorker

Why? "Because then I know," she replied.

The New York Times

"Then I know a little Italian.

The New York Times

But then I know it's growing strong".

The Guardian - Sport

I too wondered then, I know now.

The New York Times - Arts

Albert: Then I know the birthday too.

The Guardian

And then I know who to look for".

The New York Times - Magazine

Then i know that the archeologist are erudite.

Massachusetts Institute of Technology

And then I know what happens after that.

The New York Times - Arts

"I felt so then; I know so now," he said.

The New York Times

Expert writing Tips

Best practice

Use "then I know" to clearly indicate the result or consequence of a previous action or observation. It can strengthen cause-and-effect relationships in your writing.

Common error

Avoid using "then I know" repeatedly in close proximity. Overuse can make your writing sound repetitive. Instead, vary your sentence structure and use synonyms to express similar ideas.

Linguistic Context

The phrase "then I know" primarily functions as a conjunctive adverbial phrase introducing a clause that expresses a conclusion or realization that follows a preceding condition or observation. This usage is validated by Ludwig AI.

Expression frequency: Very common

Frequent in

News & Media

75%

Science

15%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "then I know" functions as a conjunctive adverbial phrase that introduces a clause expressing a conclusion or realization based on a prior condition. Ludwig AI confirms it's grammatically correct and usable in various contexts. It is very common, especially in news and media, and serves to indicate a direct consequence or logical deduction. While it's acceptable in many situations, overuse can be repetitive. Therefore, consider alternatives like "that's when I realized" or "it became clear to me" to vary your writing. Remember that the register is generally neutral, but in more formal academic or business contexts, use alternative structures.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

as a result I knew

Highlights the cause-and-effect relationship leading to knowledge.

that's when I realized

Emphasizes the moment of realization more strongly than "then I know".

then it dawned on me

Conveys a sudden and often unexpected realization.

at that point I understood

Focuses on comprehension and understanding at a specific time.

it became clear to me

Highlights the clarity of the information received.

I grasped the idea

Focuses on understanding a concept or notion.

I came to the conclusion

Indicates a logical deduction or inference.

I figured out

Implies a process of problem-solving or discovery.

I discerned

Suggests a more subtle or insightful understanding.

I ascertained

Implies a careful and deliberate investigation leading to knowledge.

FAQs

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

You can use "then I know" to express a consequence or realization following a condition. For instance, "If it rains, "then I know" the game will be canceled".

What are some alternatives to "then I know"?

Alternatives include "that's when I realized", "at that point I understood", or "it became clear to me", depending on the context.

Is there a more formal way to express the same idea as "then I know"?

In more formal contexts, you might use phrases such as "as a result, I ascertained" or "consequently, I understood" to convey a similar meaning with increased formality.

What's the difference between "then I know" and "now I know"?

"Then I know" implies a realization at a specific point in the past or as a result of something, whereas "now I know" indicates a current state of understanding, often after a learning process or new information.