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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
every two hour
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "every two hour" is not correct; it should be "every two hours." You can use it to describe an action or event that occurs at two-hour intervals.
Example: "The bus arrives every two hours, so plan your trip accordingly."
⚠ May contain grammatical issues
News & Media
Science
Wiki
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
1 human-written examples
In every two hour segment, you can only check your phone once.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
"I was getting hungry every two hours.
News & Media
That soon became four every two hours.
News & Media
Other services run every two hours.
News & Media
I was stooling almost every two hours.
News & Media
"That's easily every two hours".
News & Media
"It keeps changing every two hours, every three hours," said Shailendra Panchal, 26, an Avalon Cove resident.
News & Media
That's right: food kills one person every two hours.
News & Media
And every two hours from then you eat something.
News & Media
Remember to put on sunscreen every two hours.
News & Media
He required attention every two hours, even through the night.
News & Media
Expert writing Tips
Best practice
Always use the grammatically correct form, "every two hours", when describing events that occur at two-hour intervals. This ensures clarity and avoids misinterpretation.
Common error
Resist the temptation to omit the 's' in "hours". The phrase "every two hour" is incorrect. Remember that you're referring to multiple instances of the two-hour period, thus requiring the plural form.
Source & Trust
80%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "every two hour" functions as an adverbial modifier intending to specify frequency or interval. As Ludwig AI points out, it's grammatically incorrect. The correct form, "every two hours", modifies a verb by indicating how often an action occurs.
Frequent in
News & Media
30%
Science
30%
Wiki
20%
Less common in
Formal & Business
10%
Reference
5%
Social Media
5%
Ludwig's WRAP-UP
In summary, while the phrase "every two hour" might seem straightforward, it's grammatically incorrect. The proper form is "every two hours", indicating events occurring at intervals of two hours. Ludwig AI highlights the grammatical error. To ensure clarity and correctness in your writing, remember to use the plural form "hours". When aiming for more formal language, consider alternatives like "at two-hour intervals". By avoiding the common mistake of omitting the 's', you can communicate your intended meaning effectively across various contexts, from news reports to scientific studies.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
every two hours
Adds the plural "s" to "hour" to make the phrase grammatically correct, indicating a duration.
once every two hours
Specifies that the action occurs "once" within the two-hour interval, adding clarity.
at two-hour intervals
Uses a noun phrase to describe the spacing between occurrences.
two-hourly
Employs an adjective to describe something happening every two hours.
every other hour
Indicates an action that takes place with one hour of space between each occurrence
each two hours
Uses "each" to emphasize the individual two-hour periods.
at intervals of two hours
Expresses the duration as the "interval" between events.
on a two-hour basis
States that something occurs regularly structured around periods of two hours.
two hours apart
Focuses on the separation or space between events.
bi-hourly
Uses an easier structure to convey the action happening every two hours.
FAQs
How do I properly use "every two hours" in a sentence?
The correct phrase is "every two hours", with the plural "hours". For example: "The medication should be taken "every two hours"."
What is a more formal alternative to "every two hours"?
A more formal way to express "every two hours" is "at two-hour intervals" or "at intervals of two hours". For example: "Measurements were taken "at two-hour intervals"."
Is there a difference between "every two hours" and "every other hour"?
"Every two hours" means something happens consistently at intervals of two hours. "Every other hour" implies something happens, then an hour is skipped, then it happens again. They are not interchangeable.
Can I use "bi-hourly" instead of "every two hours"?
"Bi-hourly" is a valid alternative, although it can sometimes be ambiguous and confused with "twice an hour." To avoid confusion, using "every two hours" is clearer.
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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
2.8/5
Expert rating
Real-world application tested