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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 is supposed to
Grammar usage guide and real-world examplesUSAGE SUMMARY
"which is supposed to" is correct and usable in written English.
You can use it to describe an action or event that is generally expected or needed. For example: We all received our assignments, which is supposed to be completed by the end of the week.
✓ Grammatically correct
News & Media
Science
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
56 human-written examples
The blowout preventer, which is supposed to contain a well bore breach, also failed.
News & Media
Another reboot is due shortly, which is supposed to make Facebook easier to use again.
News & Media
The streamlining of the group, which is supposed to generate further cost synergies, would be delayed.
News & Media
It worked far better than iTunes's "sound check," which is supposed to do the same thing.
News & Media
And the CFDT, which is supposed to be moderate, has not been able to be heard".
News & Media
But it's a spinel, which is supposed to be semi-precious.
News & Media
SAP is based in Europe, which is supposed to be on the verge of a recession.
News & Media
The PRA, which is supposed to oversee the financial soundness of banks, declined to comment yesterday.
News & Media
One example is.hiv, which is supposed to help raise money for charities.
News & Media
That money seems to be different from the dole, which is supposed to be brought home.
News & Media
process, which is supposed to spread the rewards to innovation, is broken.
News & Media
Expert writing Tips
Best practice
Ensure that the clause following "which is supposed to" logically connects to the noun it modifies. This prevents confusion and maintains coherence.
Common error
Avoid confusing "which is supposed to" with "supposedly". "Which is supposed to" indicates an expected function or obligation, while "supposedly" implies doubt or hearsay.
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which is supposed to" functions as a nonrestrictive relative clause, providing additional information about a noun. It indicates the intended purpose, expected behavior, or a common belief associated with the noun it modifies. Ludwig's examples demonstrate its widespread usage in various contexts.
Frequent in
News & Media
53%
Science
16%
Formal & Business
12%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "which is supposed to" is a versatile and grammatically sound construction used to indicate the intended purpose or expected behavior of something. It functions as a nonrestrictive relative clause, adding descriptive detail. Ludwig AI confirms its correctness and frequent usage across diverse contexts such as news, science, and business. While adaptable, users should be mindful of its distinct meaning compared to similar terms like "supposedly". Overall, mastering the use of "which is supposed to" enhances clarity and precision in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that is meant to
Emphasizes intention or design, implying a specific purpose.
that should
Expresses obligation or recommendation more directly.
that is intended to
Focuses on the planned use or function of something.
that is designed to
Highlights the engineered purpose or functionality.
that is expected to
Stresses anticipation or prediction based on current circumstances.
that is assumed to
Suggests a presumption or belief about the typical behavior or state.
that is purported to
Implies a claim or assertion that may or may not be accurate.
that is said to
Attributes the expectation to an unspecified source, creating distance.
that is understood to
Indicates a common knowledge or generally accepted understanding.
that is believed to
Expresses a conviction or faith regarding the characteristic or attribute.
FAQs
How to use "which is supposed to" in a sentence?
Use "which is supposed to" to add a descriptive nonrestrictive clause. For example, "The backup system, "which is supposed to" prevent data loss, failed during the power outage."
What can I say instead of "which is supposed to"?
You can use alternatives like "that is meant to", "that should", or "that is intended to" depending on the context.
Is it correct to use "which is suppose to" (without the 'd')?
No, "which is suppose to" is grammatically incorrect. The correct form is "which is supposed to", with the past participle 'supposed'.
What's the difference between "which is supposed to" and "supposedly"?
"Which is supposed to" describes an intended function or expectation, while "supposedly" implies something is claimed or believed but may not be true.
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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
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested