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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
over a five year span
Grammar usage guide and real-world examplesUSAGE SUMMARY
"over a five year span" is correct and usable in written English.
You can use it when referring to a period of time that lasts for five years. For example: "During this time, the company has experienced tremendous growth over a five year span."
✓ Grammatically correct
Science
News & Media
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
6 human-written examples
Two retrospective cohort analyses on the current study's population (Poplin et al., 2014; Poplin et al., 2016) found that over a five year span, "fit" and "less fit" commissioned FD employees were found to have an increased likelihood for injury than their "most fit" peers.
Science
Over a five year span, I've seen men approach women like they were smoother than an aged cognac, but in reality just made women uncomfortable.
News & Media
Over a five year span I've seen men approach women like they were smoother than an aged cognac but in reality just made women uncomfortable.
News & Media
"Achieving a weight loss of 5-75-7percentas shown in the Diabetes Prevention Program to reduce by 58percentthehe progression from pre-diabetes to overt type 2 diabetes over a five year span".
News & Media
"Achieving a weight loss of 5-75-7percentas shown in the Diabetes Prevention Program to reduce by 58percentthehe progression from pre-diabetes to overt type 2 diabetes over a five year span". According to Anderson, the best advice for staying on track is to set reasonable goals that are achievable.
News & Media
To test these hypotheses we quantified vegetation and arthropod responses to N and P addition experiments conducted over a five year span.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Yet, the linebacker succeeded in playing for the Cleveland Browns and Tennessee Titans over a four year span before finally being released by the Titans in 2017.
News & Media
And against the beleaguered Pound Sterling, gold is up 41%, and up a troubling 209% over a ten year span.
News & Media
Over a nine year span, the CCC employed 2.5 million young men which provided them with shelter, clothing, food and a small wage.
News & Media
I had no idea until I bought this book that G.S.D. self-published 76 issues of Skate Fate over a ten year span.
News & Media
Saxby Chambliss won the election and has currently joined the witch hunt against U.N. Ambassador Susan Rice, even though he and George W. Bush presided over a six year span of time when there were 11 terrorist attacks on various U.S. consulates resulting in dozens of casualties.
News & Media
Expert writing Tips
Best practice
When describing trends or changes, use "over a five year span" to provide a clear timeframe for the observed developments. This helps in setting context and understanding the rate of change.
Common error
Avoid shifting tenses when describing events "over a five year span". Ensure that the verbs used consistently reflect whether the action was completed within that period, is ongoing, or is expected to occur.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "over a five year span" functions as an adverbial phrase of time, modifying a verb or clause to specify the duration of an event or process. Ludwig's examples illustrate this use across various contexts.
Frequent in
News & Media
40%
Science
40%
Encyclopedias
20%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "over a five year span" is a grammatically correct and usable phrase that indicates a duration of five years, as confirmed by Ludwig. While it appears in both News & Media and Science contexts, it's more common in those categories. To enhance clarity, it's useful to maintain consistent tense when describing events within this period. Alternatives like "in a five-year period" or "spanning five years" offer variety while retaining similar meaning. Overall, it's a versatile phrase for specifying timeframes in various forms of writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in a five-year period
Switches the preposition and slightly rephrases to emphasize the period itself.
during a five-year timeframe
Replaces "span" with "timeframe", adding a slightly more formal tone.
across five years
Uses "across" to convey the duration, suitable in many contexts.
spanning five years
Emphasizes the duration by using "spanning" as a verb.
throughout five years
Indicates something happening consistently during the five-year period.
for a duration of five years
A more descriptive and formal way to specify the five-year length.
within a five-year window
Implies that something happens within a specific five-year block.
in the course of five years
Highlights the progression or development during that time.
covering five years
Similar to "spanning," but might suggest a more encompassing view.
over the course of half a decade
Uses "half a decade" to provide a slightly more sophisticated tone and varied vocabulary to mean "five years".
FAQs
How can I use "over a five year span" in a sentence?
Use "over a five year span" to indicate a period of five years during which something occurs or changes. For example, "The company's revenue increased significantly "over a five year span"."
What are some alternatives to "over a five year span"?
You can use alternatives like "in a five-year period", "during a five-year timeframe", or "spanning five years" depending on the context. See the related phrases above for more options.
Is it better to say "in five years" or "over a five year span"?
It depends on the context. "In five years" typically refers to a point in the future, while ""over a five year span"" refers to a duration of time. For example, "The project will be completed in five years" versus "The project's impact was felt "over a five year span"."
What is the difference between "during five years" and "over a five year span"?
"During five years" is grammatically correct, but ""over a five year span"" is more commonly used and sounds more natural. The latter emphasizes the duration and process that occurs within that timeframe.
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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
4.1/5
Expert rating
Real-world application tested