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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
which certainly are
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which certainly are" is correct and usable in written English.
You can use it to emphasize the certainty or truth of a statement regarding a subject previously mentioned. Example: "The results of the experiment were conclusive, which certainly are a testament to the effectiveness of the new method."
✓ Grammatically correct
Science
News & Media
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
8 human-written examples
They resemble retroviruses, which certainly are parasites (HIV, the cause of AIDS, is a retrovirus).
News & Media
But there are other differences which certainly are important.
Science
(if A, then it was the case that A was going to be the case), which certainly are intuitively valid.
Science
The aim of this paper is to show how large and high capacity remote computing architectures can interact with smart cards, which certainly are the most widely deployed, still the smallest computing systems of the information technology era, so as to improve the overall security of a global infrastructure.
However, the photographs contain marks which appear similar to writing, but which certainly are not letters; additionally, they contain a great many lines, dots and other dark marks which may or may not be writing.
Wiki
Objective analyses of Sotomayor's judicial record already have deflated accusations of racism -- accusations which are publicly dismissed with grace by the nominee but which certainly are hurtful due to their falsity.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Which certainly isn't my cup of lard.
News & Media
Which certainly is the least he could do for all that exercise.
News & Media
And she needed to impress him, which certainly isn't necessary with me.
News & Media
And so, he had to maneuver as an African-American man in that context, which certainly wasn't easy.
News & Media
He is prepared to pull us through for three weeks, which certainly be plenty of time to make full repairs.
News & Media
Expert writing Tips
Best practice
Use "which certainly are" to add emphasis and confirm a statement, ensuring clarity and conviction in your writing.
Common error
Avoid using "which certainly are" excessively, as it can make your writing sound repetitive. Opt for more concise alternatives when appropriate to maintain a natural flow.
Source & Trust
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which certainly are" acts as a relative clause providing additional, non-essential information about a preceding noun or clause. It emphasizes the certainty or truth of the statement being made about that noun, adding a layer of confirmation. According to Ludwig, this phrase follows standard grammar rules.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "which certainly are" is a grammatically correct relative clause used to emphasize the certainty of a statement. Ludwig indicates that this phrase is used correctly and emphasizes the truth of a statement being made, finding application in science and news media. While not extremely common, it provides a means to add clarity and conviction to your writing. Remember to avoid overuse to maintain a natural and engaging tone. The phrase is more often found in news and science contexts, but less in academia or encyclopedias.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
which undoubtedly are
Emphasizes a lack of doubt, suggesting the statement is unquestionably true.
which definitely are
Implies a clear and distinct confirmation of the preceding statement.
which assuredly are
Indicates a confident and certain agreement with the statement.
which positively are
Conveys a strong and affirmative agreement.
which absolutely are
Suggests a complete and unquestionable agreement.
which undeniably are
Suggests the statement cannot be disputed or denied.
which indeed are
Affirms the preceding statement as a matter of fact.
which surely are
Implies a high degree of confidence in the truth of the statement.
which verifiably are
Highlights the fact that statement is validated and confirmed.
which certainly exist
Focuses on the existence of something with certainty, altering the verb.
FAQs
How can I use "which certainly are" in a sentence?
Use "which certainly are" to emphasize the truth of a statement about something previously mentioned. For example: "The benefits of exercise are numerous, "which certainly are" a testament to a healthy lifestyle."
What phrases can I use instead of "which certainly are"?
You can use alternatives like "which undoubtedly are", "which definitely are", or "which assuredly are" depending on the context.
Is it better to use "which certainly are" or "that certainly are"?
"Which" is generally used for non-restrictive clauses (adding extra information), while "that" is used for restrictive clauses (essential information). "Which certainly are" is appropriate when the information isn't essential to the sentence's meaning.
What's the difference between "which certainly are" and "which are certainly"?
"Which certainly are" places emphasis on the certainty of the statement. "Which are certainly" places emphasis on the verb, suggesting something is happening without a doubt, but it's less common.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.3/5
Expert rating
Real-world application tested