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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as needed basis
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as needed basis" is not correct in written English; it should be "on an as-needed basis." You can use it to describe a situation where something is done only when required, rather than on a regular schedule.
Example: "We will provide support on an as-needed basis, depending on the project's demands."
⚠ May contain grammatical issues
Science
News & Media
Wiki
Alternative expressions(16)
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
17 human-written examples
Prior to the income tax, taxes were levied on the wealthy on an as needed basis.
News & Media
Outsourcing allows you to enlist professionals such as bookkeepers on an as needed basis.
News & Media
In those with mild disease, short-acting agents are recommended on an as needed basis.
Wiki
At this point, outcome measures for PV are being developed on an as needed basis whenever trials are done.
All asthma medication was withdrawn for 48 hours, allowing inhaled beta-2 agonists on an as needed basis.
Science
Communication and consultation is the traditional process whereby primary care providers consult with psychiatrists on an as needed basis [ 23].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
Second, tracheal suctioning should be performed only on an 'as needed' basis.
Science
Follow-ups were done at 8-12 weekly intervals (60.3%) with 3.4% on 'as needed' basis.
Science
For NSAIDs the risk for gastrointestinal bleeding is relatively low, particularly if used on an 'as needed' basis.
Typically, family consultations happen on a 'one off' or 'as needed' basis usually defined by the family.
Science
"If they need to buy tickets, that's fine, then they buy them on an as-needed basis.
News & Media
Expert writing Tips
Best practice
Use the correct phrase "on an as-needed basis" to ensure grammatical accuracy in formal writing.
Common error
Avoid using the phrase without "on an". Saying just "as needed basis" is grammatically incorrect and sounds awkward in formal contexts.
Source & Trust
80%
Authority and reliability
3.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as needed basis" functions as an adverbial modifier, specifying the circumstances under which an action or provision is implemented. However, Ludwig AI highlights that the phrase is grammatically incorrect. The correct usage is "on an as-needed basis."
Frequent in
Science
45%
News & Media
35%
Wiki
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "as needed basis" is commonly used to indicate that something is provided or done only when required. However, Ludwig AI points out that it is grammatically incorrect and should be written as "on an as-needed basis". While frequently found in diverse contexts such as Science, News & Media, and Wiki, using the correct form enhances clarity and credibility, particularly in formal writing. Remember to use "on an as-needed basis" to maintain grammatical accuracy.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as required
Shorter and more direct, implying a strict necessity.
when necessary
Emphasizes the conditional aspect of the action.
on demand
Highlights the immediacy of the response to a need.
as the situation demands
Focuses on the specific circumstances dictating the need.
only when required
Underscores the exclusivity of the action to necessary situations.
contingent on need
Formal, emphasizing the dependency on a demonstrated requirement.
if the need arises
Expresses a potential future need triggering action.
subject to availability
Includes a consideration for resource limitations alongside need.
per request
Highlights that the action is initiated by a request.
based on necessity
Emphasizes that decisions are driven by essential requirements.
FAQs
How do I properly use "as needed basis" in a sentence?
The correct way to use the phrase is "on an as-needed basis". For example, "Support will be provided "on an as-needed basis"".
What is a grammatically correct alternative to "as needed basis"?
You can use phrases like "as required", "when necessary", or "on demand".
Why is "as needed basis" considered grammatically incorrect?
The phrase requires the preposition "on" and the article "an" to function correctly as an adverbial phrase, modifying a verb or adjective. Omitting these makes the phrase grammatically incomplete.
Is there a difference in formality between "on an as-needed basis" and "when necessary"?
"On an as-needed basis" is generally considered more formal than "when necessary". The latter is suitable for more casual contexts.
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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
80%
Authority and reliability
3.5/5
Expert rating
Real-world application tested