which are required

USAGE SUMMARY

The phrase 'which are required' is correct and usable in written English.
You can use it to indicate which items are needed or necessary in a given situation, e.g. "Please make sure you bring the necessary supplies which are required for the bake sale."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

(For reservations, which are required, visit www.goodmagazine.com).com

The New Yorker

Admission is $5.35 plus $1.05 for reservations, which are required.

The New York Times - Travel

(March 27 at 8. Free tickets, which are required, are available at the Juilliard box office).

The New Yorker

"I will apply, for the benefit of the sick, all measures which are required.

The Guardian

Mr. Bourgeois said potential converts included hospitals, which are required to have emergency generators.

The New York Times

"There are certain rules which are required to make a market economy work.

The Guardian - Books

Two of the courses must be CEE 509 and CEE 510, which are required research courses.

Princeton University

These data structure implementations have particular properties which are required for compatibility with the autograder.

University of California, Berkeley

Comprises two parts, lecture and lab, both of which are required.

Stanford University

The tests, which are required for graduation, are to be given only in June and August.

The New York Times

Nearby were dozens of bales of jute, two layers of which are required for each foot bed.

The New Yorker

Expert writing Tips

Best practice

When using "which are required", ensure the context clearly indicates who or what mandates the requirement to avoid ambiguity. For example, "the documents, which are required by law, must be submitted."

Common error

Do not use "which are required" immediately after words like "necessary" or "essential", as this creates unnecessary repetition. Instead of saying "the necessary documents which are required", simply state "the necessary documents".

Linguistic Context

The phrase "which are required" functions as a relative clause that modifies a noun or noun phrase. As Ludwig AI confirms, it specifies which items or conditions are necessary or obligatory. It adds essential information to the noun it modifies, clarifying its scope.

Expression frequency: Very common

Frequent in

Science

35%

News & Media

30%

Academia

20%

Less common in

Wiki

10%

Formal & Business

5%

Ludwig's WRAP-UP

In summary, the phrase "which are required" is a grammatically correct and very common relative clause used to specify necessary items or conditions. As Ludwig AI indicates, it's widely applicable across various contexts, including science, news, and academia. While alternatives like "that are needed" exist, "which are required" often carries a more formal tone. When writing, be sure to avoid redundancy and clearly indicate the source or reason for the requirement. Remember, the goal is always to communicate with precision and clarity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

that are necessary

This alternative uses "necessary", which is very close in meaning to "required", indicating essentiality.

that are essential

This alternative uses "essential", emphasizing the importance and indispensability of something.

that are mandatory

This alternative uses "mandatory", suggesting a compulsory nature, stronger than simply "required".

that are compulsory

Similar to "mandatory", "compulsory" stresses that something must be done by law or rule.

that are needed

This alternative uses "needed" instead of "required", implying a necessity but potentially less strict than a formal requirement.

that are prescribed

This alternative implies that the requirements are officially recommended or imposed.

that are obligatory

This alternative, using "obligatory", highlights a legal or moral duty, making it a more formal substitute.

that are stipulated

Using "stipulated" suggests that these requirements are specifically mentioned or demanded in an agreement.

that are prerequisite

This alternative indicates a prior condition that must be met, changing the focus slightly to timing and sequence.

that one must have

This is a more colloquial and straightforward way of expressing necessity, diverging from the formality of "required".

FAQs

How can I use "which are required" in a sentence?

Use "which are required" to specify conditions or items that are necessary or mandatory within a sentence. For example, "The skills, "which are required" for this job, include proficiency in data analysis and communication."

What are some alternatives to "which are required"?

You can use alternatives such as "that are needed", "that are necessary", or "that are essential" depending on the context and the level of formality you want to convey.

Is it more formal to say "which are required" or "that are needed"?

"Which are required" tends to be slightly more formal than "that are needed". "Required" suggests a stricter obligation or rule, whereas "needed" can imply a general necessity.

How does the meaning change if I use "mandatory" instead of "required" in "which are mandatory"?

Using "mandatory" in "which are mandatory" implies a stronger sense of obligation, often legally or officially enforced, compared to ""which are required"" which can encompass general necessities.