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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
on a optional basis
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "on a optional basis" is not correct.
It should be "on an optional basis." You can use this phrase when indicating that participation or involvement is not mandatory and is left to the discretion of the individual. Example: "The workshop will be offered on an optional basis, allowing employees to choose whether they want to attend."
⚠ May contain grammatical issues
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
It is allowed on an optional basis in the United States for certain corporations having only one class of stock and no more than 10 shareholders.
Encyclopedias
But it could be done on an optional basis.
News & Media
The center wouldn't oppose offering full utility reporting on an optional basis, he said.
News & Media
The ACT said 16 states paid for all students to take the test as part of a statewide testing program, with others funding testing on an optional basis.
News & Media
General Motors said, how ever, that it believed that it could install the bags in many cars on an optional basis be fore that date.
News & Media
It was put in place for entry-level roles, such as trainees and apprenticeships, last year, and expanded in April to all vacant positions at the BBC on an optional basis.
News & Media
The new version of Apps will be available on an optional basis to current users.
News & Media
In addition, and on an optional basis, we asked the participating laboratories to (c) estimate the performance of real human observers from a psychophysical experiment of their choice.
Academia
So, we're working on a way of allowing reader participation (on an optional basis) that offers something new and different that comments don't.
News & Media
Insurers providing coverage on an optional basis provided cost figures of $0.25 to $5.58 per month ($3.00 to $66.96 per year) per individual policyholder and from $0.25 to $3.98 per month ($3.00 to $47.76 per year) per group certificate holder for the coverage required by House Bill 383/1737.2 Only the lowest of the provider projections in 2002 have turned out to have any validity.
Science
The market premium was introduced under the EEG 2012 on an optional basis, allowing plant operators a monthly choice between receiving the FIT and leaving the marketing of electricity to transmission system operators (TSOs), or receiving the sliding FIP and marketing electricity directly.
Expert writing Tips
Best practice
Always use "on an optional basis" instead of "on a optional basis" to ensure grammatical correctness.
Common error
Avoid using the indefinite article "a" before words that start with a vowel sound. Using "an" instead of "a" corrects this common error.
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on a optional basis" functions as an adverbial phrase, intending to modify a verb by describing the manner in which an action is performed. However, as Ludwig AI points out, it is grammatically incorrect. The proper construction is "on an optional basis."
Frequent in
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News & Media
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
In summary, the phrase "on a optional basis" is grammatically incorrect; the correct form is "on an optional basis". This aims to convey that something is available as a choice, not mandatory. As Ludwig AI confirms, the incorrect form arises from misusing the article 'a' before a word starting with a vowel sound. Consider alternatives such as "on a voluntary basis" or "at one's discretion" for clearer communication. Ensure proper article usage for grammatical accuracy.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on an optional basis
Corrects the grammatical error by changing "a" to "an" before the vowel sound.
on a voluntary basis
Indicates that participation is not required, but chosen freely.
at one's discretion
Implies that the decision is left to someone's judgment.
optional
A simpler, more direct way of saying something is not mandatory.
not required
Emphasizes the lack of obligation.
elective
Suggests a choice is available.
discretionary
Highlights the freedom to choose.
non-compulsory
A more formal term for not being required.
by choice
Highlights that something is done out of personal will.
if desired
Indicates the action happens only if the individual wishes so.
FAQs
What is the correct way to say something is optional?
The correct phrase is "on an optional basis". The article "an" should be used before words that begin with a vowel sound.
What can I say instead of "on a optional basis"?
Consider using alternatives like "on an optional basis", "on a voluntary basis", or "at one's discretion".
Is "on a optional basis" grammatically correct?
No, "on a optional basis" is grammatically incorrect. The correct form is "on an optional basis". The indefinite article "an" is used before words that start with a vowel sound.
What's the difference between "on a optional basis" and "on an optional basis"?
"On a optional basis" is grammatically incorrect due to the misuse of the article "a" before the vowel sound in "optional". The correct phrase is "on an optional basis", where "an" is used instead.
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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
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested