when is needed

USAGE SUMMARY

The phrase 'when is needed' is correct and usable in written English.
You can use it to indicate a situation where something is necessary. For example: "We have a back-up plan that can be implemented when is needed."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

The case of triggering the optimization of the MPC only when is needed, is investigated.

IFAC Proceedings Volumes

This would allow having the biological component viable, functional and ready to be used when is needed for our BAL.

Cryobiology

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

The government must offer help "when help is needed, not when it is too late".

The Guardian

No reinvention when none is needed.

The Washington Post

Tragedy often is when comedy is needed most.

The Washington Post

Sixth: when help is needed, respond swiftly and generously.

Independent

Better to ask for help when help is needed.

The New York Times

You pay for service when it is needed.

The New York Times - Tech

The premise of XP is to deliver the software the customer needs when it is needed.

Handbook of Statistical Analysis and Data Mining Applications

Another son, Nicholas, 19, subs when he is needed.

The New York Times

"And that means help when help is needed.

The Guardian

Expert writing Tips

Best practice

Use "when is needed" to introduce a condition or situation where something becomes essential or necessary. This helps to clearly define the circumstances under which an action or resource should be utilized.

Common error

Avoid using "when is needed" excessively in highly formal writing. While grammatically correct, it can sometimes sound less sophisticated than alternatives like "when required" or "when necessary".

Linguistic Context

The phrase "when is needed" functions as an adverbial clause of time, modifying a verb or clause to indicate the timing or condition under which an action should occur. It specifies the circumstances under which something becomes necessary, providing context for the action being described. Ludwig highlights the phrase's usability.

Expression frequency: Very common

Frequent in

News & Media

33%

Science

33%

Wiki

14%

Less common in

Formal & Business

10%

Reference

5%

Academia

5%

Ludwig's WRAP-UP

In summary, the phrase "when is needed" is a grammatically correct and frequently used adverbial clause indicating the timing or condition for an action. Ludwig AI confirms its validity and usefulness. While suitable for a variety of contexts, including news, science, and general communication, it's important to consider the overall formality of the writing and choose more sophisticated alternatives for highly formal situations. Be sure to use it to clearly define when something becomes essential and avoid overuse.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

when it's required

Substitutes "needed" with "required", implying a formal or mandatory need.

when it becomes necessary

Replaces "is needed" with "becomes necessary", focusing on the point at which the need arises.

if and when it is necessary

Adds a conditional aspect, implying it may not always be needed.

when the necessity arises

Highlights the emergence of a need or requirement.

when the time is right

Emphasizes timing and suitability rather than pure necessity.

when the situation demands it

Focuses on the circumstances that create the need.

as and when required

British English variation emphasizing on-demand availability.

when it is deemed appropriate

Shifts the focus to a judgement of appropriateness rather than pure necessity.

at the point of need

Rephrases the timing to emphasize the exact moment of requirement.

upon becoming essential

Stresses the transformation into a state of essentiality.

FAQs

How can I rephrase "when is needed" to sound more formal?

For a more formal tone, consider using phrases like "when required", "when necessary", or "when the situation demands it". These alternatives often lend a more sophisticated feel to your writing.

Is "when is needed" grammatically correct?

Yes, "when is needed" is grammatically correct. As Ludwig AI explains, it functions as a relative clause specifying a condition. However, consider the context to ensure it fits the desired tone.

What's the difference between "when is needed" and "if needed"?

"When is needed" specifies a specific time or circumstance where something becomes necessary. "If needed" expresses a contingency and is more general. For example, "Use this tool when it is needed" specifies the conditions of usage. "Use this tool if needed" indicates it might not be required at all.

Can I start a sentence with "when is needed"?

While grammatically possible, starting a sentence with "when is needed" can sound awkward. It's usually better to incorporate it within the sentence. For instance, instead of "When is needed, apply the solution", write "Apply the solution "when it is needed"".