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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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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which is supposed to be

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "which is supposed to be" is correct and usable in written English.
You can use it to indicate a duty, obligation, or expectation that is expected to be fulfilled. For example, "The student is required to turn in their homework, which is supposed to be completed by Friday."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

This is an example of something which is supposed to be a communal good being marketised and turned into cash.

Take drugs like Ritalin, which is supposed to be for people with attention-deficit disorder.

And the CFDT, which is supposed to be moderate, has not been able to be heard".

News & Media

The New York Times

But it's a spinel, which is supposed to be semi-precious.

News & Media

Independent

SAP is based in Europe, which is supposed to be on the verge of a recession.

News & Media

The New York Times

That money seems to be different from the dole, which is supposed to be brought home.

News & Media

The New Yorker

"They go to a field, which is supposed to be guarded.

News & Media

The New York Times

You have a school which is supposed to be somewhere else displacing valued local institutions".

News & Media

The Guardian

This was in a youth tournament, the purpose of which is supposed to be player development.

Even the moon, which is supposed to be up there somewhere, doesn't help.

News & Media

The New York Times

There's also a danger that information which is supposed to be objective acquires a commercial slant.

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Expert writing Tips

Best practice

Use "which is supposed to be" to clearly indicate an expected state, obligation, or intended function. Ensure the context provides a clear understanding of who or what establishes the expectation.

Common error

Avoid relying too heavily on "which is supposed to be", as it can lead to passive constructions. Rephrase sentences to use active voice, creating more direct and engaging writing.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "which is supposed to be" functions as a relative clause, providing additional, non-essential information about a noun or pronoun. It specifies an expected condition, obligation, or intended purpose. Ludwig confirms this usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

50%

Academia

20%

Science

15%

Less common in

Formal & Business

5%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "which is supposed to be" is a versatile relative clause used to convey expectations, intended purposes, or obligations. Ludwig AI confirms its grammatical correctness and frequent usage across diverse fields such as news, academia, and science. While its function is to add non-essential information, it often highlights a contrast between expectation and reality. When writing, consider concise alternatives like "intended to be" or "should be" for brevity, but ensure clarity is maintained. Be mindful of overusing passive voice. In summary, "which is supposed to be" is a useful tool for conveying expectations and intended purposes in writing.

FAQs

How can I use "which is supposed to be" in a sentence?

This phrase is used to describe an expectation or intended purpose. For example, "The meeting, "which is supposed to be" confidential, was leaked to the press."

What's a more concise alternative to "which is supposed to be"?

Depending on the context, you can use phrases like "intended to be", "should be", or "meant to be" for brevity.

Is it always necessary to use "which is supposed to be", or can I omit it?

Sometimes, the phrase is essential for clarity; other times, it can be omitted without changing the meaning. For example, "The gift, "which is supposed to be" a surprise, was accidentally revealed" could be simplified to "The gift, meant to be a surprise, was accidentally revealed."

What is the difference between "which is supposed to be" and "that is supposed to be"?

"Which is supposed to be" introduces nonrestrictive (nonessential) information, while "that is supposed to be" introduces restrictive (essential) information. Use "which" with commas and "that" without commas.

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Source & Trust

85%

Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: