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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
the last three hours
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the last three hours" is correct and usable in written English.
It can be used to refer to a specific time period that has just occurred, typically in the context of discussing events or activities that took place during that time. Example: "I have been working on this project for the last three hours and I am starting to feel fatigued."
✓ Grammatically correct
News & Media
Science
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
42 human-written examples
"I've been broadcasting to absolutely nobody for the last three hours," he moaned on Scott Mills's Radio 1 show last week.
News & Media
For the last three hours, we hadn't seen a single road, village or human in this forest wilderness.
News & Media
He did not want Trost to destroy the superstitious vibe that Steinbrenner had established for the last three hours.
News & Media
So he nibbled on his chicken-on-a-stick and described the last three hours, something of an extreme staycation.
News & Media
I have spent the last three hours assessing the mental health of a teenage girl who had taken an overdose.
News & Media
Prerecorded shots of tanks with peak levels from 78 to 82 dB(A) were played back every three nights, either during the first three hours after lights off or during the last three hours before awakening.
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
Many decide in the last twenty-four hours before voting.
News & Media
"My production went down during the last four hours".
News & Media
The last twenty-four haves have been great fun.
News & Media
These are the last two hours of his life.
News & Media
David Ross and I spent the last six hours seeing the final opera of Wagner's Ring.
Academia
Expert writing Tips
Best practice
When using "the last three hours", ensure the context clearly indicates the starting point for the three-hour timeframe to avoid ambiguity. It's usually best when there's a clear reference point in the narrative.
Common error
Avoid using "the last three hours" when referring to a recurring event over multiple days. Instead, specify the date or timeframe, such as "the last three hours of each day".
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the last three hours" functions as a time adverbial, modifying verbs by specifying when an action occurred. Ludwig indicates its usability in written English. Examples in Ludwig show it describing periods of activity, observation, or change.
Frequent in
News & Media
58%
Science
28%
Wiki
4%
Less common in
Academia
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "the last three hours" is a common and grammatically correct way to refer to the three-hour period immediately preceding the present moment. Ludwig's analysis confirms its widespread usability. It's frequently used in contexts such as news reporting and scientific writing to provide temporal context. While it is suitable for both formal and informal settings, clarity is crucial to ensure the timeframe is easily understood by the reader. Consider alternatives such as "the past three hours" or "the previous three hours" for slight variations in emphasis. Avoid using it to refer to a recurring event over multiple days.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
the past three hours
Replaces "last" with "past" to indicate a time period leading up to the present.
the previous three hours
Substitutes "last" with "previous", referring to a completed three-hour block.
these last three hours
Adds emphasis using the demonstrative pronoun "these" to refer to the three-hour period.
the preceding three hours
Uses "preceding" to formally denote the three hours immediately before the current time.
the prior three hours
A more formal substitution for "last", indicating the hours before the current one.
the most recent three hours
Emphasizes the recency of the three-hour period.
the last 180 minutes
Expresses the same duration in minutes for increased precision.
the final three hours
Similar to "closing three hours", suggesting the concluding segment of time.
the closing three hours
Highlights the end or final part of a longer period.
the ultimate three hours
Less common and emphasizes that the final three hours were significant
FAQs
What is another way to say "the last three hours"?
You can use alternatives such as "the "past three hours"", "the "previous three hours"", or "the "most recent three hours"" depending on the context.
Is it correct to say "during the last three hours" or "in the last three hours"?
Both "during the last three hours" and "in the last three hours" are grammatically correct and can be used interchangeably, though "during" might emphasize the ongoing nature of an event, while "in" emphasizes the timeframe.
How can I use "the last three hours" in a sentence?
You can use "the last three hours" to describe activities or events that happened recently, for example: "I've been working on this report for the last three hours", or "The storm intensified during the last three hours".
What's the difference between "the last three hours" and "the next three hours"?
"The last three hours" refers to a period of time that has already passed, while "the "next three hours"" refers to a period of time that is about to begin.
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested