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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
in two occasions
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in two occasions" is not correct in standard written English.
The correct expression is "on two occasions." Example: "I have visited that museum on two occasions, and each time was a unique experience."
⚠ May contain grammatical issues
Science
News & Media
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
15 human-written examples
Each subject visited at least in two occasions our laboratory.
Science
In two occasions, two OTUs that were initially identified as distinct had very high sequence similarities, and were thus combined.
Science
Of interest, the CSF protein levels that was >100 mg/dL in two occasions.
Science
The TRPS modes are much sharper (narrower) compared to DLS and in two occasions fully resolved.
Science
He was HIV-negative with normal CXR and there was no AFB in three consecutive (spot-early morning-spot) sputum samples (induced in two occasions).
Science
However, due to the large intrasubject variability of insulin sensitivity (10), S ISP will likely change if the same meal is administered in two occasions to a subject.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
Frankly, I think the connection will fail on more like one in four occasions.
News & Media
They have lost just once to the Roar in six occasions since.
News & Media
On one in five occasions when a mobile user comes into contact with malware, it is via an online advert.
News & Media
Eighteen patients (20,7 %) suffered form hemorrhagic complications that, in 13 cases, where puncture site hematomas and, in six occasions (6,9%%) required an early interruption of the treatment.
To investigate whether the teacher inventory was effective in detecting teacher competences in tracking competence developments, the researcher asked the teachers to write teacher portfolios in three occasions of the beginning, middle, and end of the semester.
Science
Expert writing Tips
Best practice
Use the correct preposition and say "on two occasions" instead of "in two occasions". This will make your writing grammatically sound and more professional.
Common error
Avoid using "in" when referring to specific occasions. "On" is the correct preposition to use, for example, “The event occurred on two occasions”.
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in two occasions" functions as an adverbial phrase, attempting to specify the frequency or circumstances of an event. Although intended to modify a verb or clause by indicating when something happened, it is grammatically incorrect. Ludwig AI confirms the correct usage is "on two occasions".
Frequent in
Science
50%
News & Media
32%
Formal & Business
18%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "in two occasions" is frequently encountered, it is grammatically incorrect. The correct preposition to use is "on", making "on two occasions" the standard and preferred form. As Ludwig AI points out, accuracy in prepositional usage enhances clarity and credibility, particularly in formal writing. Remember to replace "in two occasions" with "on two occasions", "twice", or a similar alternative to ensure your writing is grammatically sound.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
on two occasions
Uses the correct preposition 'on' instead of 'in'.
twice
A concise alternative that directly indicates two instances.
on a couple of occasions
Implies a slightly less precise count of two.
on two separate occasions
Emphasizes the distinctness of the two instances.
in two instances
A more formal alternative using 'instances' instead of 'occasions'.
two times
A more literal way of saying it, generally less formal.
on a pair of occasions
A slightly more emphatic way of indicating two occasions.
in a couple of instances
Similar to 'on a couple of occasions' but uses 'instances'.
in two different situations
Focuses on the scenario rather than the timing.
in both instances
Highlights that the event occurred in both of the instances being considered.
FAQs
What is the correct way to say "in two occasions"?
The correct way to express "in two occasions" is to use the preposition "on". Therefore, the correct phrase is "on two occasions".
What can I say instead of "in two occasions"?
You can use alternatives like "on two occasions", "twice", or "in two instances" depending on the context.
Which is correct, "in two occasions" or "on two occasions"?
"On two occasions" is the grammatically correct phrase. "In two occasions" is considered incorrect.
Is "in two occasions" ever acceptable?
While "in two occasions" might be understood, it is not considered standard English. It's best to use "on two occasions" to ensure clarity and grammatical accuracy.
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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
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested