once did not

USAGE SUMMARY

The phrase "once did not" is correct and usable in written English.
It can be used to indicate that something was not the case at a previous time but may be different now. Example: "There was a time when I once did not believe in the power of meditation, but now I practice it daily."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

43 human-written examples

To describe patients who at least once did not reply to correspondence of the center about embryo disposition.

Fertility and Sterility

The scoreboard, which looked like it had caught fire at least once, did not work.

The Guardian - Sport

Lorre, for once, did not laugh, but stared contentedly at his monitor.

The New Yorker

Mr. Mandel, the advertising buyer, says he once did not believe the Weather Channel's viewership claims.

The New York Times

The player, who once did not have a bicycle, now owns a Hayabusa, a souped-up Suzuki motorcycle.

The New York Times

ROYALS 3, TIGERS 1 Visiting Kansas City for once did not wait until its final at-bat.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

17 human-written examples

The opto-isolator once didn't work.

Cornell University

Dye for once didn't disagree.

The Guardian - Sport

The Red Sox once didn't protect Carl Yastrzemski, either.

The New York Times - Sports

You two had a thing once, didn't you?

The New Yorker

"I once didn't work for five years because of it".

The New York Times

Expert writing Tips

Best practice

When employing "once did not," ensure the context clearly indicates the time frame being referenced, enhancing clarity for the reader.

Common error

Avoid using "once did not" repeatedly within a short passage. Vary your language by using synonyms like "previously did not" or "formerly did not" to maintain reader engagement.

Linguistic Context

The phrase "once did not" functions as an adverbial phrase modifying a verb. It specifies the time frame during which an action or state was not true. As Ludwig AI suggests, this construction is both correct and usable in various contexts.

Expression frequency: Very common

Frequent in

News & Media

70%

Science

15%

Formal & Business

5%

Less common in

Academia

4%

Wiki

3%

Reference

3%

Ludwig's WRAP-UP

In summary, the phrase "once did not" is a grammatically correct and frequently used expression that serves to contrast a past state with a present one. Ludwig AI confirms its validity and usability in written English. It's commonly found in news articles and scientific publications, indicating its versatility across different registers. To enhance your writing, consider using synonyms like "previously did not" or "formerly did not" to avoid repetition. By understanding its function and usage patterns, you can effectively employ "once did not" to convey nuanced temporal relationships in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

previously did not

Emphasizes that something was not the case at an earlier time.

formerly did not

Highlights the past nature of the absence of something.

at one time did not

Specifies that at a certain point in the past, something was not true.

used to not

Indicates a past habit or state that is no longer the case.

in the past did not

Directly refers to a time before the present.

beforehand did not

Highlights that something did not occur earlier.

did not, until now

Implies a change that has occurred recently.

never used to

Focuses on the absence of a past habit or condition.

had not previously

Emphasizes lack of prior action.

initially did not

Highlights the beginning state of something not being the case.

FAQs

How can I use "once did not" in a sentence?

Use "once did not" to describe a past situation that is different from the present. For example: "He once did not enjoy running, but now he runs marathons."

What are some alternatives to "once did not"?

You can use alternatives like "previously did not", "formerly did not", or "at one time did not" to add variety to your writing.

Is it grammatically correct to say "once didn't"?

Yes, "once didn't" is a grammatically correct contraction of "once did not" and can be used in informal contexts.

What is the difference between "once did not" and "no longer"?

"Once did not" describes a state that was true in the past but has changed, while "no longer" emphasizes the current absence of something. You might say, "I once did not like coffee, but now I drink it every morning," or "I no longer dislike coffee."