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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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has been then

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase 'has been then' is not grammatically correct.
It does not make sense in written English. If you want to use the words 'has been' and 'then', you should use them separately in two different sentences. For example: She has been a great help to me. Then, I thanked her for all of her hard work.

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Afterward, a further parametric investigation has been then conducted.

Therefore, an analytical solution, corresponding to the optimized transient technique, has been then theoretically derived.

The global behavior has been then investigated with a linear stability analysis.

The membrane has been then used for WGS tests in a membrane reactor.

This linear analysis has been then extended to the case of radial perturbations of the interface.

The influence of these hydrophilic groups during thermo and photo-oxidation processes has been then evaluated by several complementary techniques.

Gear surface temperature has been then investigated in detail through three components: ambient, bulk and flash temperatures.

Science

Wear

A measurement of such advantage has been then proposed by means of different "gain parameters", related to each scheme.

The validity of such three-dimensional models has been then confirmed by in vivo studies on healthy volunteers.

The response of the Bispectral index has been then tested in simulation on 24 mimicked patient models, showing good performance.

The issue has been then extensively developed within the framework of multi-component self-consistent nuclear energy system (MC-SCNES).

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Expert writing Tips

Best practice

Avoid using the phrase "has been then" in formal writing. Instead, restructure your sentence to use "was then" or a similar grammatically correct alternative.

Common error

Using "has been then" often results from confusion between past and present perfect tenses. Ensure that your tenses are consistent and that adverbs like 'then' are placed correctly within the sentence.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

81%

Authority and reliability

1.8/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "has been then" functions as a temporal connector, attempting to link two events in a sequence. However, it doesn't adhere to standard grammatical rules, making it an incorrect way to express the intended relationship. As pointed out by Ludwig AI, the phrase is not grammatically correct.

Expression frequency: Very common

Frequent in

Science

76%

News & Media

18%

Formal & Business

6%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "has been then" is frequently used but grammatically incorrect. Ludwig AI identifies it as non-standard English. While examples are abundant, particularly in scientific contexts, its use should be avoided in formal writing. Consider alternatives such as "was then", "was subsequently", or "has since been" for clearer and more accurate communication. Remember that although the phrase is frequent, its ungrammatical nature detracts from the message. Pay attention to the context, and choose alternative phrases based on what you want to express.

FAQs

Why is "has been then" considered grammatically incorrect?

The phrase "has been then" awkwardly combines the present perfect tense with an adverb of time. While understandable in casual speech, it doesn't follow standard English grammar rules. Consider restructuring the sentence to improve clarity and correctness.

What are some alternatives to "has been then"?

Depending on the context, you can use alternatives like "was subsequently", "was then", or "has since been" to express a sequence of events.

How can I correct a sentence that uses "has been then"?

Identify the intended meaning and rephrase the sentence using a grammatically correct structure. For example, instead of "The experiment has been then repeated", try "The experiment was then repeated" or "The experiment has since been repeated".

Is there a situation where "has been then" is acceptable?

While frequently used, "has been then" doesn't conform to standard written English. While it might be understood in informal conversations, it is advisable to use grammatically correct alternatives in formal or professional communication.

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Source & Trust

81%

Authority and reliability

1.8/5

Expert rating

Real-world application tested

Most frequent sentences: