Used and loved by millions
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
may span between
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "may span between" is correct and usable in written English.
It can be used to describe a range or extent that covers two or more points or areas. Example: "The project timeline may span between six months to a year, depending on the resources available."
✓ Grammatically correct
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
Segmental positions depend on the chromosomal location of the SNPs, but the distance between two adjacent segments may span about 4kb on average.
Science
We searched these reads using BLASTn with the terminal 300 nts of each of these organelle scaffolds to identify reads that may span junctions between pairs of contigs, and then manually used these reads to order and orient these scaffolds and, in some cases, to supply short stretches of intervening sequences.
Science
Within each country, interviews may span over a few months.
Science
But we must also understand that compromise may span the boundaries of different interests between the GTC and a university and yet still remain within the boundaries of the existing opposing interests.
Science
Vorbis packets may span page boundaries.
Courses may span 10 to 15 weeks.
Science & Research
Connections may span no-bond indicators.
Science
A student's composition work may span several pages.
In the 1990s it spanned between 21percent and 300 percent.
News & Media
Each gene spans between 10 16 kb.
Science
The overall study period spanned between January 2009 and June 2012.
Science
Expert writing Tips
Best practice
When describing ranges, consider using simpler alternatives like "may range from" or "can vary between" for improved clarity and conciseness.
Common error
Avoid using "may span between" when "may span" is sufficient. The word "between" can be redundant if the context already implies a range or connection between two points. Using "may span" is shorter and cleaner.
Source & Trust
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "may span between" functions as a modal verb phrase, indicating a potential range or connection between two points. Ludwig AI, states it’s grammatically correct, although its usage can sometimes be redundant.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "may span between" is a grammatically correct phrase used to indicate a potential range or connection. However, it's important to consider whether the word "between" is redundant, as the simpler phrase "may span" often provides greater clarity. Ludwig AI notes that while grammatically sound, the inclusion of "between" can sometimes be unnecessary. When writing, consider alternative phrases like "might range from" or "could extend from" for variety and precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
might range from
Expresses a possible range, replacing "span" with "range" and "may" with "might" for a slightly weaker possibility.
could extend from
Suggests a potential extension or duration, substituting "span" with "extend" and "may" with "could" to indicate possibility.
can vary from
Indicates a possible variation or difference, replacing "span" with "vary" and "may" with "can" to denote potential variation.
may extend across
Replaces "span between" with "extend across" to emphasize the coverage or reach across a particular area or duration.
might encompass from
Uses "encompass" instead of "span" to suggest a potential inclusion or coverage from a specific point.
can stretch from
Emphasizes the potential length or reach, replacing "span" with "stretch" to highlight the extension.
may fluctuate between
Highlights the potential fluctuation or oscillation between two points, focusing on the variation rather than the coverage.
could fluctuate from
Emphasizes the possible variation in numerical or qualitative measurement.
might oscillate between
It underlines a periodic movement of any measurement between different states.
can oscillate from
It shows the action of moving in a repetitive way from a starting point of measurement.
FAQs
How can I use "may span between" in a sentence?
Use "may span between" to indicate a possible range or connection between two points. However, consider if the word "between" is necessary, as "may span" is often clearer. For instance, instead of saying "The project timeline may span between six months to a year", you can simply say "The project timeline may span six months to a year".
What can I say instead of "may span between"?
You can use alternatives like "might range from", "could extend from", or "can vary from" depending on the context.
Which is correct, "may span between" or "may span"?
"May span" is generally preferred for its conciseness. "May span between" isn't incorrect, but the inclusion of "between" can sometimes be redundant, depending on the context. If you are defining the limits of something, "may span" is often the better choice.
What's the difference between "may span between" and "may extend across"?
"May span between" suggests a range or connection, while "may extend across" implies covering a particular area or duration. The choice depends on whether you want to emphasize the connection or the coverage. The use of "may extend across" focuses on the reach over a specific region.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
60%
Authority and reliability
3.8/5
Expert rating
Real-world application tested