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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 have frozen
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that have frozen" is correct and usable in written English.
It can be used to describe something that has undergone the process of freezing, typically in reference to food, liquids, or other substances. Example: "The vegetables that have frozen in the freezer can be used for soups and stews."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
21 human-written examples
Snow falls from clouds that have frozen.
Encyclopedias
I tried sweet ice wine, made from grapes that have frozen on the vine.
News & Media
They caution against giving children teething rings that have frozen solid, however, because they are too hard for children's mouths.
News & Media
Among the offerings is proof that winter's cruel weather has a bright side: ice wine, a sweet amber nectar made from grapes that have frozen on the vine.
News & Media
Dismounting when your feet have gone numb is agony, as is uncurling hands that have frozen tightly around the reins, but it's worth it.
News & Media
CCC's conduct was branded "a complete disgrace" by a high court judge for failing to comply with court orders that have frozen its assets in six countries.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
Corbyn's Christmas card is a bicycle that has frozen up and is not going anywhere.
News & Media
Programmers huddle around screens, tracking down a virus that has frozen cash machines, online payments and stock flotations.
News & Media
Even when it was twenty below, she did the washing for six people, pressing with heavy flatirons laundry that had frozen stiff.
News & Media
The worst thing that happened to me was when somebody stole my tent and chucked it into a pond that had frozen.
News & Media
TOKYO — My brother peered into the coffin lined with dry ice and tugged at the sheet of gauze that had frozen onto my grandmother's cheek.
News & Media
Expert writing Tips
Best practice
When using the phrase "that have frozen", ensure the context clearly indicates the subject and the reason/result of the freezing. For example: "the pipes that have frozen due to the cold weather".
Common error
Avoid using "that have frozen" when the action of freezing occurred and concluded entirely in the past; instead, use "that had frozen" or "that were frozen" to maintain correct tense consistency.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that have frozen" functions as a relative clause, modifying a noun by providing more information about it. Ludwig AI confirms that this structure is correct and commonly used, providing numerous examples.
Frequent in
News & Media
65%
Science
20%
Encyclopedias
5%
Less common in
Wiki
5%
Formal & Business
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "that have frozen" is a grammatically correct relative clause used to describe something which has undergone a freezing process. According to Ludwig, it is commonly found in news and media, science, and encyclopedia contexts. When writing, ensure the tense is consistent and appropriate for the intended meaning, and consider alternative phrasings like ""that are frozen"" or ""which have frozen"" depending on the specific context. The phrase is considered to have a neutral register, which makes it suitable across different levels of formality. It is appropriate to describe a current state as a result of a past action, and this usage is supported by various authoritative sources.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
which have frozen
Replaces "that" with "which", maintaining the relative clause structure but slightly altering the focus.
that had frozen
Shifts the tense to past perfect, indicating the freezing occurred before another past action.
that are frozen
Changes the tense to present, describing a current state of being frozen.
which are frozen
Combines the changes from above, replacing "that" with "which" and shifting to the present tense.
that became frozen
Uses a verb to emphasize the process of freezing, rather than the state.
that were frozen
Shifts to past tense, indicating the action of freezing happened at some point in the past.
that got frozen
Uses a more informal phrasing to indicate the state of being frozen.
which had been frozen
Combines past perfect with passive voice, emphasizing the completed action of freezing before another point in the past.
that underwent freezing
Emphasizes the process of freezing as something that was experienced.
those which have frozen
Replaces the single "that" with a plural "those which", thus slightly changing the point of view to address multiple entities.
FAQs
How do I correctly use "that have frozen" in a sentence?
Use "that have frozen" to describe something that is currently in a frozen state as a result of a past action. For example, "The berries "that have frozen" in the freezer are still good for smoothies."
What are some alternatives to saying "that have frozen"?
Depending on the context, you could use phrases like "that are frozen", "that were frozen", or "which have frozen".
Which is correct, "that have frozen" or "that had frozen"?
Both phrases are grammatically correct, but they describe different timeframes. "That have frozen" refers to something currently frozen, while "that had frozen" refers to something that was frozen at some point in the past. For example, "The grapes "that have frozen" on the vine are used to make ice wine" versus "The pipes "that had frozen" last winter are now insulated".
What's the difference between "that have frozen" and "that are frozen"?
"That have frozen" emphasizes the process of freezing and implies a recent change in state. "That are frozen", on the other hand, describes a current state without necessarily emphasizing when or how the freezing occurred. In many cases, they can be used interchangeably, but the subtle difference in emphasis may make one more appropriate than the other depending on the context.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested