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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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during a certain period

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "during a certain period" is correct and can be used in written English.
It is a way to refer to a span of time in the past or present. For example, "Over the last ten years, there has been a decline in the number of businesses in the area during a certain period."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

You could say it's more European during a certain period.

Whether actualized or not, these possibilities continue during a certain period of time.

Encyclopedias

Britannica

How many human connections did they enable to take place during a certain period?

News & Media

The Economist

One path is to buy put options, which give you the right to sell a stock at a specified price during a certain period.

News & Media

The New York Times

Options confer the right to buy or sell a specific security, such as a stock or bond, for a fixed price during a certain period.

News & Media

The New York Times

They found that during a certain period, the entire developing egg spins several times around what will later becomes its long axis.

These genes were presumably not lost during evolution but might have been "switched off" during a certain period of time and "switched on" again at some later point.

The state contended that she owed taxes as a resident because she spent most of her time there during a certain period; she said she was not a New York resident.

News & Media

The New York Times

For instance, when a police agency asks for a cell tower "dump" for data on subscribers who were near a tower during a certain period of time, it may get back hundreds or even thousands of names.

News & Media

The New York Times

They are structured in a way through which the company (with its cash flows) repays shareholders during a certain period of time until either the shareholder obtains an agreed upon return, or the schedule of repayments ends.

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Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

LIM is a non-interventional prospective observational cohort that follows users of certain drugs during a certain period of time.

Expert writing Tips

Best practice

When using "during a certain period", ensure the context clarifies what period you are referring to. If not immediately obvious, specify the period explicitly to avoid ambiguity.

Common error

Avoid using "during a certain period" without providing enough context. Ensure the reader understands what timeframe you are referring to. If the time period is unclear, consider providing specific dates or events to clarify the temporal context.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "during a certain period" functions as a prepositional phrase modifying a verb or noun, indicating when an action occurred or a state existed. Ludwig AI confirms this is correct and usable in written English.

Expression frequency: Very common

Frequent in

Science

39%

News & Media

32%

Academia

13%

Less common in

Formal & Business

8%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

The phrase "during a certain period" is a versatile prepositional phrase used to specify when an action or event occurred. Ludwig AI affirms its grammatical correctness and widespread usability in written English. It's frequently used across various domains, including science, news, and academia, but care should be taken to clarify the specific timeframe, as ambiguity can arise if the context is not clear. Alternatives such as "for a specific duration" or "over a defined timeframe" can add precision. When writing, ensure the surrounding context provides sufficient clues about the period being referenced.

FAQs

How can I use "during a certain period" in a sentence?

Use "during a certain period" to refer to a specific, though possibly unspecified, timeframe within which an event occurs. For example, "Sales increased /s/considerably during a certain period considerably", or "Symptoms worsened /s/markedly during a certain period markedly".

What are some alternatives to saying "during a certain period"?

You can use alternatives like "for a specific duration", "over a defined timeframe", or "within a particular time span" depending on the context.

Is it better to specify the exact time frame instead of using "during a certain period"?

While "during a certain period" is grammatically correct, specifying the exact time frame (e.g., "during the summer of 2024" or "between January and March") provides greater clarity and precision. Whether to use the phrase depends on the level of detail needed.

What's the difference between "during a certain period" and "at a certain time"?

"During a certain period" refers to a span of time, while "at a certain time" refers to a specific point in time. For instance, "The factory was closed /s/during+a+certain+period during a certain period due to renovations", versus "The meeting starts /s/at+a+certain+time at a certain time".

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: