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
throughout two years
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "throughout two years" is not correct in standard English; it should be "over two years" or "during two years." You can use it when referring to a time span of two years in which something occurred or was ongoing.
Example: "The project was developed throughout two years, leading to significant advancements in technology."
⚠ May contain grammatical issues
News & Media
Wiki
Science
Alternative expressions(20)
over two years
covering two years
spanning two years
over two months
over two continents
more than two days
over two courses
over two seasons
in excess of two years
more than two methods
more than two episodes
exceeding two years
more than two hours
more than two weeks
more than two decades
more than two centuries
over two stages
over two decades
more than two factors
more than two issues
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
4 human-written examples
The 43-year-old Russian, who has maintained his innocence throughout two years in a maximum security prison in Thailand, will continue to fight the US's extradition request.
News & Media
Throughout two years of secretive talks, British, US and Iraqi officials have denied directly negotiating with the hostage-takers – a group of Shia Islamic extremists who want the release of a group of prisoners detained by the US military in Iraq.
News & Media
Premiership Rugby, along with the French clubs and the regions, have insisted throughout two years of talks over the European Cup that a club tournament should be run by the clubs, with the unions looking after administrative aspects such as refereeing, anti-doping and discipline.
News & Media
Throughout two years of filming, over 1,000 hours of video were recorded, documenting the band's recording process.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
We've seen very little of that throughout hundred years of history in this industry - in this country.
News & Media
Throughout thirty years of friendship, he and Huxley played, knowingly, a kind of good-cop, bad-cop game in public.
News & Media
The words "strategically defeated" were invoked by generals and politicians to describe a foe that had the US on the run throughout five years of war.
News & Media
Dr. Shalala, known for maintaining her ebullience throughout eight years of partisan turmoil in the Clinton era, said she was leaving with a clear sense of accomplishment.
News & Media
Last year, the Sun-Sentinel uncovered a Cuban-American fraud network that, capitalizing on the ability of its perpetrators to move freely between the two countries, made more than two billion dollars throughout twenty years.
News & Media
Experience gained throughout ten years of practice conferred on them the status of experts in this field [42].
Science
Romania international Pantilimon served as understudy to Joe Hart during his time at the Etihad Stadium and was limited to 29 appearances throughout three years, before he was released at the end of last season.
News & Media
Expert writing Tips
Best practice
Opt for clearer and more common alternatives like "over two years" or "during the two years" for better readability and acceptance.
Common error
Avoid using "throughout" when simply indicating a time span; it's more appropriate for continuous actions or conditions. "Over" or "during" are often more suitable for specifying a period.
Source & Trust
84%
Authority and reliability
3.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "throughout two years" functions as a prepositional phrase modifying a verb or noun, indicating the period during which an action or event occurs. However, it is not the most conventional or grammatically sound choice as pointed out by Ludwig.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while "throughout two years" is understandable, it's not the preferred way to express a duration of two years. Ludwig AI points out that grammatically, it's not the strongest choice. Alternatives such as "over two years" or "during two years" are more common and clearer. Although the phrase does appear in various sources, it's less frequent and can sound awkward. As such, opting for alternatives will improve clarity and grammatical correctness. The phrase appears in News & Media, Wiki, and Science contexts, but remember it is better to prefer another way to express the same concept.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Over two years
Replaces "throughout" with "over", indicating a period encompassing two years.
During two years
Substitutes "throughout" with "during", specifying a timeframe of two years.
In the course of two years
Emphasizes the progression of time within the two-year span.
In a two-year period
Highlights the duration as a specific period.
For a period of two years
Clearly states the duration with a slightly more formal tone.
Spanning two years
Focuses on the action of covering the entire two-year timeframe.
Across two years
Suggests looking at something from the start to the end of the two years.
During the two-year timeframe
Specifies the duration with a formal tone.
For two consecutive years
Highlights that the years are back to back and without interruption.
In the span of two years
Refers to the timeline in which something happens.
FAQs
What is a better alternative to "throughout two years"?
More common and grammatically sound alternatives include "over two years" or "during two years".
Is "throughout two years" grammatically correct?
While understandable, "throughout two years" is not considered the most grammatically correct phrasing. Alternatives like "over" or "during" are generally preferred.
How can I use "throughout two years" in a sentence?
While not ideal, you might use it to describe something that occurred continuously across the entire two-year period. However, rephrasing with "over" or "during" is often better. For instance, "The study was conducted throughout two years" could be improved to "The study was conducted over two years".
What's the difference between "throughout two years" and "during two years"?
"During two years" is a more direct and common way to indicate a time period. "Throughout two years" can imply a continuous action or state maintained across the entire period, but is less common and can sound awkward. Using during two years is often clearer.
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
84%
Authority and reliability
3.4/5
Expert rating
Real-world application tested