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
they have filtered
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they have filtered" is correct and usable in written English.
It can be used to indicate that something has been processed or refined through a filtering process, often in contexts related to data, information, or substances. Example: "After reviewing the submissions, they have filtered out the irrelevant entries to focus on the most promising candidates."
✓ Grammatically correct
News & Media
Science
Wiki
Encyclopedias
Formal & Business
Alternative expressions(20)
they have deteriorated
they have retrieved
they made it
they have left
they reached their destination
they have driven
they have moved
they have achieved
they are present
they are in attendance
they showed up
they are here
they have required
they turned up
they have arrived
they have communicated
they have finished
they have received
they have survived
they have caught
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
9 human-written examples
"Now they have filtered down to the Home Depot market".
News & Media
"They have filtered views of the harbor," he said.
News & Media
They have filtered, perhaps unconsciously, into the thinking of today's policymakers.
News & Media
They have filtered in from the streets of Bismarck and the endless farm fields in this northern Plains state to Ms. Heitkamp's headquarters.
News & Media
Skimming may last up to several minutes until the whales close their mouths to swallow what they have filtered from the water.
Encyclopedias
So why are the actual plays still seen as difficult in their home nation – something to be feared, or just not for "the likes of us" – when they have filtered into every nook and cranny of modern life?
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
The article revealed that the journalists who had written Akron's racial report card were as confused and divided by race as the people whose words and images they had filtered into print.
News & Media
There were cheers around the room as the developers explained how they had filtered the data so that the jostling motions of a teacher walking upstairs, say, would not show up as a bookmark.
News & Media
They've filtered out current employers from seeing their own people on the site.
News & Media
But it looks like Kelowna, BC's Datsik and Excision weren't listening, because if anything, they've filtered out the background noise and somehow increased the level of filth in their productions.
News & Media
Therefore, before the students were conscious of honing in on the events of the scenario and what they meant, they had filtered out an enormous array of possibilities.
Science
Expert writing Tips
Best practice
When using "they have filtered", ensure the context clearly indicates what 'they' refers to and what was filtered. This helps avoid ambiguity in your writing.
Common error
Avoid assuming the reader understands the criteria used for filtering. Clearly state or imply the standards or methods used during the filtering process to provide clarity and context.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they have filtered" primarily functions as a verb phrase in the present perfect tense, indicating an action completed at an unspecified time in the past with relevance to the present. As indicated by Ludwig, the phrase is correct and usable in written English.
Frequent in
News & Media
40%
Science
25%
Wiki
15%
Less common in
Encyclopedias
10%
Formal & Business
10%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "they have filtered" is a common and grammatically sound verb phrase used to describe a process of selection or refinement. As confirmed by Ludwig AI, it is suitable for various contexts, particularly in news, science, and wiki-based content. The phrase's neutral register makes it versatile for both formal and informal writing. When using "they have filtered", clarity about the filtering criteria is essential to prevent misinterpretations. Alternative phrases such as "they have screened" or "they have refined" can offer subtle nuances in meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
they have screened
Focuses specifically on the process of evaluating or vetting something.
they have sifted
Emphasizes the action of separating desirable elements from unwanted ones.
they have refined
Highlights the improvement of something by removing impurities or unwanted elements.
they have disseminated
Implies the act of spreading information widely.
they have propagated
Suggests the act of spreading or promoting something more actively.
they have broadcast
Indicates a wide and public distribution of information.
they have diffused
Conveys the spread of something less directly or intentionally.
they have channeled
Focuses on directing something through a specific route or system.
they have funneled
Similar to 'channeled', but emphasizes the narrowing or focusing of something.
they have culled
Implies a more forceful or selective removal of elements.
FAQs
How can I use "they have filtered" in a sentence?
Use "they have filtered" to describe a process where a group has selectively removed elements based on certain criteria. For example, "They have filtered the applications to find the most qualified candidates".
What are some alternatives to "they have filtered"?
You can use alternatives like "they have screened", "they have sifted", or "they have refined" depending on the specific nuance you want to convey.
Is it better to say "they filtered" or "they have filtered"?
"They filtered" describes a completed action in the past, while "they have filtered" emphasizes the present relevance or result of that past action. The choice depends on the context and what you want to emphasize.
What is the difference between "they have filtered" and "they have sorted"?
"They have filtered" implies a process of removing unwanted elements, while "they have sorted" suggests arranging items into categories. Filtering is about selection; sorting is about organization.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested