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 exists
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence "They exist" is a perfectly correct and usable sentence in written English.
You can use it whenever you are referring to an entity that is alive or in existence. For example: "The mythical creatures of legends were long thought to only exist in stories, but they exist in reality."
⚠ May contain grammatical issues
Science
News & Media
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
3 human-written examples
We first examine what factor(s) affect the existence of j-type households and under what condition(s) they exists.
In most people they exists harmlessly in the gut.
News & Media
The observations are made using ionospheric total electron content (TEC) obtained from 10 available IGS stations in the Chinese and 2 in the Indian sector to detect seismo-ionospheric anomalies if they exists.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
They existed.
News & Media
Do they exist?
News & Media
They exist: atoms,.
News & Media
Why do they exist?
News & Media
They exist in time.
News & Media
Yes, they existed.
News & Media
(Yes, they exist).
News & Media
They exist, of course.
News & Media
Expert writing Tips
Best practice
Always ensure subject-verb agreement. With plural subjects like "they", use the base form of the verb, which is "exist". Using "they exists" is grammatically incorrect.
Common error
Be mindful of subject-verb agreement, especially when using pronouns. Double-check that plural pronouns like "they" are paired with the correct verb form ("exist" instead of "exists").
Source & Trust
87%
Authority and reliability
1.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they exists" is intended to assert the presence or reality of something. However, it is grammatically incorrect. Ludwig shows that the intended meaning is to express that certain entities are real or present, though the verb form is wrong.
Frequent in
News & Media
33%
Science
67%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "they exists" appears in some online sources, it is grammatically incorrect. The correct form is ""they exist"". Ludwig AI indicates that the intended meaning is to express the presence or reality of multiple entities. To ensure clarity and grammatical accuracy, especially in formal writing, always use the correct subject-verb agreement. Common alternatives include "they are present", "they can be found", and "they are real".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
they exist
Corrects the subject-verb agreement, using the plural verb form.
they are present
Replaces "exists" with a more descriptive phrase indicating presence.
they can be found
Suggests availability or discoverability.
they are real
Emphasizes the authenticity or genuineness of something.
they are in existence
Formal and somewhat redundant phrasing emphasizing a state of being.
they occur
Focuses on the happening or incidence of something.
they are available
Indicates accessibility or attainability.
they have existence
A more formal way of saying something exists.
their existence is
Shifts the focus to the concept of existence itself.
they are to be found
Passive voice construction indicating presence.
FAQs
What is the correct way to use "they exist" in a sentence?
The correct form is "they exist", ensuring the plural pronoun "they" agrees with the base form of the verb "exist". For example, "Many possibilities "they exist", but we must choose the best one".
Is "they exists" grammatically correct?
No, "they exists" is grammatically incorrect. The correct form is "they exist". The verb must agree with the plural pronoun.
What are some alternatives to saying "they exist"?
Alternatives include phrases like "they are present", "they can be found", or "they are real", depending on the context.
How to remember the correct verb form for plural pronouns?
A simple rule is to use the base form of the verb (without the -s ending) for plural subjects like "they", "we", "you", and plural nouns. The -s ending is typically used for singular subjects like "he", "she", "it", and singular nouns.
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
1.8/5
Expert rating
Real-world application tested