which are needed

USAGE SUMMARY

The part of the sentence "which are needed" is correct and usable in written English.
You can use it when you want to refer to particular items that are necessary for something. For example, "The pantry needs to be restocked with essential items which are needed to make dinner tonight."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

54 human-written examples

Unfortunately, bad economies do not produce extra tax receipts, which are needed for fiscal improvement.

The New York Times

So are more hotels, which are needed as the city's convention business expands.

The Economist

AOL has nearly five million customers for its broadband lines, which are needed to operate the service.

The New York Times

It won't -- for the time being -- operate its newly constructed centrifuges, which are needed to enrich uranium to weapon grade.

The New York Times

There will be ever-fewer old, white, rural majorities, which are needed to elect these retro white guys.

The Guardian - Opinion

Increases in crop yields – which are needed to sustain a growing population – have slowed over the last 40 years.

The Guardian

Turkey's parliament, the grand national assembly, has 550 seats, 276 of which are needed for a majority.

The Guardian

Not coming across are the festering rancor and sadism born of frustration, which are needed to give "Skull" emotional clout.

The New York Times

In Section 2, we prove some basic lemmas which are needed in succeeding sections.

Boundary Value Problems

In this section, we present some lemmas which are needed for our main results.

Boundary Value Problems

In this section we list some known results which are needed in the sequel.

Journal of Inequalities and Applications

Expert writing Tips

Best practice

When using "which are needed", ensure the clause provides essential information and isn't merely extra detail. If the information is non-essential, consider using "which are helpful" or rephrasing the sentence.

Common error

Avoid omitting "which" in formal writing, as it can make the sentence grammatically incorrect and less clear. Always include the relative pronoun unless you're deliberately aiming for a more conversational style.

Linguistic Context

The phrase "which are needed" functions as a relative clause, modifying a noun or noun phrase by providing essential information about it. It acts as an adjective clause, specifying which particular items or aspects are necessary in a given context. Ludwig AI confirms that this is a correct and usable phrase.

Expression frequency: Very common

Frequent in

Science

38%

News & Media

34%

Wiki

6%

Less common in

Formal & Business

2%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "which are needed" is a grammatically sound and frequently employed relative clause that emphasizes the necessity of certain items or conditions. It appears across a variety of contexts, from formal scientific papers to news articles and general-purpose wikis. According to Ludwig AI, the phrase is correct and widely usable in written English. While alternatives like "that are required" or "that are essential" exist, the choice often depends on the desired level of emphasis and formality. When using "which are needed", ensure that the clause it introduces provides essential rather than supplementary information, and avoid omitting the "which" in formal writing for clarity and grammatical correctness.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

that are required

Uses "required" instead of "needed", implying a stronger sense of obligation.

that are necessary

Employs "necessary" instead of "needed", suggesting indispensability.

that are essential

Replaces "needed" with "essential", indicating crucial importance.

that are vital

Substitutes "needed" with "vital", emphasizing the critical nature.

that are indispensable

Uses "indispensable", highlighting that the element cannot be done without.

that are requisite

Replaces with "requisite", implying that something is officially required.

that are crucial

Uses "crucial", underscoring the decisive importance of the item.

that one requires

Shifts to a more formal tone with "one requires" replacing "are needed".

that demand attention

Changes the focus to things that need to be addressed or considered.

whose presence is a must

Rephrases as a more emphatic expression indicating something is compulsory.

FAQs

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

Use "which are needed" to specify essential elements or requirements in a sentence. For example: "The tools "which are needed" for the job are readily available".

What are some alternatives to "which are needed"?

Alternatives to "which are needed" include phrases like "that are required", "that are necessary", or "that are essential". The best choice depends on the context and the nuance you want to convey.

Is it better to use "that are needed" instead of "which are needed"?

In restrictive clauses (clauses essential to the meaning of the sentence), "that" is generally preferred in American English. "Which" is typically used in nonrestrictive clauses, which add extra but non-essential information. However, in British English, "which" can be used in both restrictive and nonrestrictive clauses.

What's the difference between "which are needed" and "which are helpful"?

"Which are needed" implies that the items are essential and critical for a particular purpose, while "which are helpful" suggests that the items are beneficial but not necessarily essential. The choice depends on whether you want to emphasize necessity or mere assistance.