Used and loved by millions
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 together form
Grammar usage guide and real-world examplesUSAGE SUMMARY
'which together form' is a perfectly acceptable phrase in written English.
You may use it when you are speaking about two or more distinct elements that create a single, unified idea or concept. For example, "The two main characters in the novel each have their own set of experiences and perspectives, which together form an interesting narrative dynamic."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Wiki
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
59 human-written examples
Hofmann organizes the narrative around a number of related episodes, which together form the backdrop for the family's ultimate breakup.
News & Media
They are both products of the tradition-bound religious schools in Najaf, which together form what is called the Hawza, or religious authority.
News & Media
For now, Berlin's private collections merely complement its existing museums, galleries, noncommercial collectives, improvised performance spaces, and artists' squats, which together form the local art industry.
News & Media
But through her few, rigorous published articles, which together form a how-to manual for deciphering an unknown script, she handed him the key to the locked room.
News & Media
All are based upon quantum theory (i.e., quantum mechanics and quantum field theory) and relativity, which together form the theoretical foundations of modern physics.
Encyclopedias
Aberdeen, city, Grays Harbor county, western Washington, U.S., on the Pacific estuaries of the Chehalis, Wishkah, and Hoquiam rivers (which together form Grays Harbor).
Encyclopedias
At the posterior end of the body there is another unsegmented region, the telson, that may bear two processes, or rami, which together form the furca.
Encyclopedias
They generally contain a mixture of dwarf perennial rye grass and creeping red fescue, which together form a particularly sturdy lawn, if not one that is especially fine and delicate in appearance.
News & Media
Kingfisher £30 The Oxford Children's Encyclopedia Of History Science And Technologyy; Our World A new series of major reference books, which together form a complete library of knowledge for children of 8 years and over.
News & Media
The UltraRope is merely the latest in a long chain of innovations, stretching back centuries, which together form the composite technology we have come to know as the elevator.
News & Media
Rather, we go for the fresh air, the blankets, the sandwiches on crisp baguettes and, finally, the tunes, which together form the magic elixir of a perfect New York moment.
News & Media
Expert writing Tips
Best practice
Use "which together form" to clearly indicate that multiple components are combining to create a single, identifiable entity or concept. Ensure the components are distinct and contribute meaningfully to the resulting whole.
Common error
Avoid using "which together form" when the elements are not clearly distinct or when the combination does not create a well-defined, unified result. This can lead to vague or confusing sentence structures. For instance, don't say 'the ingredients, which together form a meal', if you are listing a single dish such as a soup, instead of distinct recipe components.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which together form" functions as a relative clause, modifying a preceding noun phrase by describing the components that combine to create it. Ludwig confirms its role in connecting multiple elements to a unified whole, as shown in the examples.
Frequent in
Science
34%
News & Media
31%
Wiki
12%
Less common in
Encyclopedias
7%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "which together form" serves as a relative clause used to explain how multiple components combine to create a single entity. Ludwig shows that this phrase is versatile, appearing in various contexts, from scientific research to news reports, maintaining a neutral tone. As Ludwig AI indicates, the phrase is grammatically correct. When using this phrase, ensure that the elements are distinct and meaningfully contribute to the result. Ludwig's examples showcase its consistent usage in clarifying the composition of complex systems and entities.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
which collectively constitute
Emphasizes the group nature of the elements and their combined role.
that jointly compose
Implies a more structured and intentional arrangement of the elements.
that integrate to create
Focuses on the process of combination and the resulting creation.
that combine to produce
Highlights the outcome or product of the combination.
which coalesce into
Suggests a merging or fusion of the elements into a unified whole.
which merge to establish
Implies a blending of elements that results in setting up something new or durable.
that synthesize into
Indicates a chemical or more complex transformation into a new entity.
which unify to build
Emphasizes the harmonious and purposeful combination of elements for construction.
that cooperate in shaping
Highlights the collaborative effort of elements in influencing a specific result.
that contribute to assemble
Focuses on the individual contribution of each element to the final assembly.
FAQs
How can I use "which together form" in a sentence?
Use "which together form" to connect a list of items or concepts to the single entity they create, such as, "The rivers Chehalis, Wishkah, and Hoquiam, "which together form" Grays Harbor, are essential to the local ecosystem".
What are some alternatives to "which together form"?
You can use alternatives like "which collectively constitute", "that jointly compose", or "that combine to produce" depending on the nuance you wish to convey.
Is it correct to say "that together form" instead of "which together form"?
While both "which" and "that" can introduce relative clauses, "which" is typically used for nonrestrictive clauses that add extra information, whereas "that" is used for restrictive clauses essential to the sentence's meaning. In most cases, ""which together form"" is appropriate.
What's the difference between "which together form" and "which collectively form"?
Both phrases indicate a combination of elements, but "which collectively form" emphasizes the group action of the elements, while ""which together form"" simply highlights the resulting entity. The choice depends on whether you want to stress the collaborative aspect or the outcome.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested