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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
had functioned like
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "had functioned like" is correct and usable in written English.
It can be used to describe a past situation where something operated in a manner similar to something else. Example: "The old machine had functioned like a well-oiled clock, keeping perfect time for years."
✓ Grammatically correct
News & Media
Science
Alternative expressions(1)
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
2 human-written examples
The story had functioned like a drug.
News & Media
During Matera's dark time, La Scaletta had functioned like the Guardian Angels, watching over the town's patrimony; its members had saved rare frescoes and uncovered various cavern churches in the Murgia.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
"Traditionally the museum has functioned like a group of small museums with different departments and collections under one roof.
News & Media
In many respects, SFJazz has functioned like a West Coast counterpart to New York's Jazz at Lincoln Center.
News & Media
One person close to the Dutch health authorities expressed concern that companies under investigation may have functioned like money launderers who move their transactions through several companies.
News & Media
For the past hundred and four years, the presidency of the N.A.A.C.P. has functioned like a Y-chromosome set-aside; whatever destination the group chooses, moving forward, it's important that it be led there by a woman.
News & Media
Already, the technology has functioned like a megaphone for both Pepper and Mary, allowing both women to draw attention to issues they care deeply about trying to fix, while simultaneously warning other women about their accused perpetrators.
News & Media
But for at least two decades the art museum has functioned less like a temple than like an agora.
News & Media
Congress encouraged the trend by starting a Children's Health Insurance Program, which has functioned much like Medicaid and extended coverage to more low-income children.
News & Media
These teams could have functioned almost like special prosecutors, with an open-ended mandate, and worked in tandem with agencies like the S.E.C. and the F.B.I., as in the Galleon case.
News & Media
As this 2005 linguistic thesis makes clear, "like has functioned as a conjunction since the fourteenth century".
News & Media
Expert writing Tips
Best practice
When using "had functioned like", ensure the comparison is clear and adds meaningful context to the description. Specify what aspects of the function are similar to avoid ambiguity.
Common error
Avoid using "had functioned like" if the similarity is superficial. Ensure the compared functions share significant characteristics; otherwise, consider a weaker comparison like "resembled" or "suggested".
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "had functioned like" serves as a comparative descriptor, indicating that something in the past performed or operated in a manner similar to something else. It provides context by drawing a parallel to a known function or behavior, as confirmed by Ludwig.
Frequent in
News & Media
68%
Science
24%
Formal & Business
8%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "had functioned like" is a grammatically correct and commonly used phrase to describe a past action or state by comparing it to something else. Ludwig confirms this with real-world examples from sources like The New York Times and The New Yorker. The phrase is versatile, suitable for a variety of writing contexts. When using it, ensure the comparison is clear and relevant to avoid any ambiguity and maintain a consistent tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
operated similarly to
Focuses on the action of operating, emphasizing a similar manner of functioning.
worked in a similar fashion to
Highlights the method or style of working, indicating a resemblance in approach.
behaved like
Emphasizes the manner of conduct or action, indicating a resemblance in behavior.
served as a substitute for
Indicates a role of replacement or alternative functioning.
mirrored the function of
Highlights a reflective similarity in function.
emulated the behavior of
Stresses imitation and striving to match the behavior of something else.
acted in the capacity of
Focuses on the role or position someone or something held.
fulfilled a role akin to
Highlights the fulfillment of a comparable role.
resembled the workings of
Focuses on the visual or operational similarity of how something functions.
performed in a manner analogous to
Emphasizes the analogous nature of the performance.
FAQs
How can I use "had functioned like" in a sentence?
Use "had functioned like" to describe something in the past that operated in a way similar to something else. For example, "Before the upgrade, the software "had functioned like" a basic text editor".
What can I say instead of "had functioned like"?
You can use alternatives such as "operated similarly to", "worked in a similar fashion to", or "behaved like" depending on the specific nuance you want to convey.
Is it correct to say "has functioned like" instead of "had functioned like"?
Yes, both are grammatically correct, but they indicate different time frames. "Has functioned like" refers to something that continues to function in a similar way up to the present, while ""had functioned like"" refers to something that functioned that way in the past.
What's the difference between "had functioned like" and "was similar to"?
"Had functioned like" implies a direct comparison in how something operated or performed its role. "Was similar to" is a more general comparison of resemblance. For instance, "The system "had functioned like" a sieve" emphasizes the act of filtering, whereas "The system was similar to a sieve" simply points out a resemblance.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested