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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
when required
Grammar usage guide and real-world examplesUSAGE SUMMARY
"when required" is correct and can be used in written English.
For example, "Exams should only be taken when required to demonstrate competence in a particular subject."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
during the previous years
to avoid disruption
not yet completed
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
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
60 human-written examples
Each strike showed composure when required.
News & Media
But he will research new tools when required.
News & Media
But, when required, my signature dish is a pheasant stew.
News & Media
Ailey and Ellington could certainly "do big" when required.
News & Media
I have the ability to burn brightly when required.
News & Media
More information shall be provided when required.
Sigma Antifoam 289 was added when required.
Science
Authors were contacted when required data were not published.
Science
Subsequently, they will only provide on-site support when required.
The assumption of homogeneous dependence should be tested when required.
Others use them indirectly, buying them when required.
Expert writing Tips
Best practice
Use "when required" to clearly indicate that an action or resource is only necessary under specific circumstances. This avoids unnecessary actions or resource expenditure.
Common error
Avoid using "when required" redundantly; if the context already implies conditionality, the phrase may be unnecessary and clutter your writing. Use it strategically to add clarity, not just as a filler.
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "when required" functions as an adverbial phrase, modifying a verb or clause to indicate the circumstances under which an action should be performed. Ludwig AI confirms its correct usage in various contexts.
Frequent in
Science
52%
News & Media
24%
Wiki
6%
Less common in
Formal & Business
3%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "when required" is a versatile and grammatically correct phrase used to indicate that something is only necessary under specific circumstances. As Ludwig AI points out, it is widely used across various contexts, particularly in scientific and news media. The phrase functions as an adverbial, modifying verbs or clauses. Alternatives such as "as needed" or "if necessary" can be used depending on the specific nuance. It is important to avoid overuse and ensure the context justifies its inclusion. By using "when required" appropriately, you can improve the clarity and efficiency of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as needed
Emphasizes the necessity based on the current situation or need.
if necessary
Highlights the contingency of the action, implying it might not always be needed.
when necessary
Very similar to the original phrase, with a slight shift in emphasis.
if the need arises
More formal and emphasizes the potential for a need to occur.
only when necessary
Adds an element of restriction, implying the action should not be taken otherwise.
as the situation demands
Focuses on the situational context as the determining factor.
on demand
Implies immediate availability or action when requested or needed.
subject to demand
Indicates that availability or action depends on a specific request or need.
contingent upon requirement
More formal and highlights the dependency on a specific requirement being met.
where applicable
Indicates that something is only relevant or valid in certain cases.
FAQs
How can I use "when required" in a sentence?
You can use "when required" to indicate that something is only necessary under certain conditions. For example, "Additional staff will be hired "when required" to meet the increased demand".
What is a good alternative to "when required"?
Alternatives include "as needed", "if necessary", or "only when necessary", depending on the specific nuance you want to convey.
Is it better to say "when required" or "where required"?
"When required" refers to time or condition, while "where required" refers to location. Use "when" for conditional necessity and "where" for locational necessity.
What does "when required" mean?
"When required" means only if or at the point that something becomes necessary. It implies that action should only be taken or resources used when there is a specific need.
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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
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested