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
that has turned into
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that has turned into" is correct and usable in written English.
It can be used to describe a transformation or change that has occurred over time. Example: "The small startup that has turned into a major corporation has changed the industry landscape."
✓ Grammatically correct
News & Media
Academia
Science
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
60 human-written examples
We can see the virginal expectancy – the purity – that has turned into puffy-eyed self-righteousness.
News & Media
Or is it just the latest diet craze that has turned into a multi-billion-dollar business?
Academia
For English literature GCSE, that has turned into all work having been originally "written in English".
News & Media
Access to drinking water is a human right that has turned into an international aim included in the Millennium Development Goals.
Science
"It was just a normal game of rugby league that has turned into a tragic event," he said.
News & Media
There are few things so forlorn as a cliche that has turned into the opposite of the truth.
News & Media
The Final Call As the interview ended, Mr. Holder pointed out a red plastic disc on his desk, a gag gift that has turned into a ritual.
News & Media
A league that has turned into a two-team show is the same on the streets of New York, without a Valencia or Zaragoza jersey to be found.
News & Media
They are the tiniest of clues in an odd family mystery that has turned into an international dispute, with accusations of abuse tossed across thousands of miles.
News & Media
We're talking the 28th running of the Breeders' Cup World Championships, an event that has turned into a lucrative and truly global event.
News & Media
And with that simple gesture Mr. Hazare continued a hunger strike that has turned into a high-stakes confrontation with India's national government.
News & Media
Expert writing Tips
Best practice
Use "that has turned into" to describe a process where something has changed significantly over time, resulting in a different state or form. This construction is particularly effective when highlighting the contrast between the initial state and the final outcome.
Common error
The phrase "that has turned into" implies a gradual transformation. If describing an instantaneous change, consider using "became" or "instantly transformed into" instead.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that has turned into" functions as a relative clause, modifying a noun phrase by providing additional information about its transformation or evolution. Ludwig AI confirms the phrase as correct and usable in written English.
Frequent in
News & Media
75%
Academia
13%
Science
12%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "that has turned into" is a versatile phrase used to describe a transformation or evolution over time. As Ludwig AI confirms, it is grammatically correct and commonly used across various contexts, particularly in news and media, academic writing and science. While the phrase is generally neutral in tone, it's important to remember that alternatives like "that has become" or "that has evolved into" may be more appropriate depending on the specific nuance you want to convey. When using this phrase, consider its implications of gradual change, and avoid it when referring to sudden transformations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that has become
Focuses more on the resulting state after the transformation, implying a change in identity or role.
which evolved into
Implies a gradual and natural process of change or development over time.
that morphed into
Suggests a dramatic or unexpected transformation, often with a change in form or appearance.
that developed into
Emphasizes the process of growth and progress, implying a positive or improved outcome.
that matured into
Highlights the completion of a development process, suggesting a state of fullness or readiness.
that progressed to
Suggests a step-by-step advancement, usually towards a specific goal or destination.
that shifted to
Implies a change in direction or focus, often in response to external forces or circumstances.
that transformed to
Signifies a fundamental alteration in form or nature, often with significant consequences.
that was converted to
Emphasizes the act of changing something to a different form, often with a practical or functional purpose.
that resolved into
Suggests that something was simplified or merged into one thing, sometimes implying a solution or conclusion.
FAQs
How can I use "that has turned into" in a sentence?
Use "that has turned into" to describe how something has evolved or transformed over time. For example, "The small seed "that has turned into" a mighty oak provides shelter for many creatures."
What are some alternatives to "that has turned into"?
You can use alternatives such as "that has become", "that has evolved into", or "that has developed into" depending on the nuance you want to convey.
Is it correct to say "that has turned into" or should I use another tense?
The phrase "that has turned into" is grammatically correct. The present perfect tense indicates a change that started in the past and continues to have relevance in the present.
What is the difference between "that has turned into" and "that became"?
"That has turned into" suggests a gradual transformation, while "that became" can imply a more immediate change. For example, "The caterpillar "that has turned into" a butterfly" emphasizes the process, whereas "The water that became ice" describes a more sudden state change.
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
4.6/5
Expert rating
Real-world application tested