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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
for about three hours
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for about three hours" is correct and can be used in written English.
You can use it when you want to indicate the length of time something has lasted or will last. For example: "He worked on the project for about three hours."
✓ Grammatically correct
News & Media
Wiki
Science
Alternative expressions(2)
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
59 human-written examples
"I was in," Ms. Curiel said, "for about three hours".
News & Media
Another passenger said they were stranded in the train for about three hours.
News & Media
Howe and Phillips met last Saturday in Houston for about three hours.
News & Media
Let the candles cool for about three hours before moving to the next step.
Wiki
For about three hours.
News & Media
This went on for about three hours.
News & Media
Marinate the fillet for about three hours.
News & Media
I calculate that I was asleep for about three hours.
News & Media
I had had braces for about three hours.
News & Media
Melvin slept for about three hours that night.
News & Media
Battery life is good for about three hours.
News & Media
Expert writing Tips
Best practice
When estimating time, "for about three hours" is suitable for general communication. For technical or legal contexts, provide exact durations if possible.
Common error
Avoid using "for about three hours" when the actual duration is significantly different. If the time varies widely, use a broader estimate like "several hours" instead.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for about three hours" functions as an adverbial phrase of duration, modifying a verb to specify the length of time an action or state continued. This aligns with Ludwig's examples, demonstrating its role in providing temporal context.
Frequent in
News & Media
60%
Wiki
20%
Science
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "for about three hours" serves as an adverbial phrase indicating duration. Ludwig confirms that it's grammatically correct and commonly used across various contexts, particularly in news and media. When writing, it's crucial to ensure that the estimation aligns with the actual duration, and while alternatives like "approximately three hours" exist, the original phrase remains a straightforward and widely accepted choice for general communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
approximately three hours
Replaces "about" with "approximately" to convey a similar sense of estimation.
around three hours
Substitutes "about" with "around", suggesting an approximate duration.
for roughly three hours
Uses "roughly" instead of "about" to indicate an estimated time period.
for close to three hours
Employs "close to" to express that the duration is near three hours.
for nearly three hours
Replaces "about" with "nearly", indicating a duration that is just short of three hours.
for a period of about three hours
Adds "a period of" to emphasize the duration.
in the neighborhood of three hours
Offers a more figurative way of expressing an approximate duration.
a three-hour timeframe
Changes the structure to focus on the timeframe itself rather than the action.
lasting around three hours
Rephrases to highlight the duration of an event or activity.
spanning approximately three hours
Uses "spanning" to describe the duration covering a certain period.
FAQs
How can I use "for about three hours" in a sentence?
You can use "for about three hours" to describe how long an activity lasted. For example, "The meeting went on "for about three hours"."
What's the difference between "for about three hours" and "for exactly three hours"?
"For about three hours" indicates an estimate, whereas "for exactly three hours" specifies a precise duration. Choose the phrasing that accurately reflects the time involved.
Which is more appropriate: "for about three hours" or "for around three hours"?
Both "for about three hours" and "for around three hours" are acceptable and have similar meanings. The choice depends on personal preference.
What alternatives can I use instead of "for about three hours"?
You can use alternatives such as "approximately three hours", "roughly three hours", or "nearly three hours" to express a similar duration.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested