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
In what cases
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "In what cases" is correct and usable in written English.
It is typically used to inquire about specific situations or conditions under which something occurs or is applicable. Example: "In what cases would you recommend using this software for data analysis?"
✓ Grammatically correct
News & Media
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
18 human-written examples
In what cases does a sharp increase in voter turnout warrant suspicion?
News & Media
In what cases can a minority refuse the rule of the majority?
News & Media
In what cases can a majority turn against the power that another majority has elected?
News & Media
In what cases shall we excise?
In what cases would children learn better from play than from direct instruction?
And you have prosecutors who have wide discretion in what cases to bring, what charges to call for, and what sentences to agree to in plea bargains".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
Policy fights, partnerships and perseverance will be crucial in what Case calls the third wave of start-ups. .
News & Media
An obvious question now arises: in what case can this modified approach work and how should the specific individual re-sampling intervals be adequately chosen?
Science
In what other cases have they been issued?
News & Media
In what class of cases can the best results be secured?
"In case of what?" "In case we don't meet up again".
News & Media
Expert writing Tips
Best practice
When using "In what cases", ensure the context clearly defines what you are asking about. Be specific in your inquiry to elicit precise and relevant responses. For example, instead of asking "In what cases is this used?", specify "In what cases is this software used for data analysis?"
Common error
Avoid using "In what cases" for questions that are too broad or lack specific context. Vague questions may lead to ambiguous or unhelpful answers. Always provide enough information to guide the response.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "In what cases" functions as an interrogative phrase, specifically used to inquire about the conditions or situations under which a particular event, action, or rule applies. Ludwig AI confirms this through its examples, which consistently demonstrate its use in seeking specific scenarios.
Frequent in
News & Media
37%
Science
50%
Wiki
9%
Less common in
Formal & Business
4%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "In what cases" is a grammatically correct and commonly used interrogative phrase to inquire about specific situations or conditions. Ludwig AI confirms its broad applicability. While suitable for both formal and informal contexts, it's essential to maintain specificity in your questions to elicit precise responses. Alternatives such as "under what circumstances" or "in which situations" can provide similar clarity. Avoiding overly broad questions will enhance the effectiveness of your communication. Top sources using this phrase include The New York Times and Huffington Post.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Under what circumstances
Replaces "cases" with "circumstances", focusing on the conditions surrounding an event.
In which situations
Substitutes "cases" with "situations", emphasizing the specific scenarios being considered.
In what instances
Similar to "In what cases", but uses "instances" to emphasize specific occurrences.
In what scenarios
Replaces "cases" with "scenarios", highlighting hypothetical or possible situations.
Under what conditions
Similar to "Under what circumstances", focusing on the necessary conditions for something to occur.
When is it appropriate
Shifts the focus to the appropriateness of an action, rather than the specific situations.
On what occasions
Replaces "cases" with "occasions", highlighting specific instances or events.
When is it suitable
Shifts the focus to the suitability of an action, rather than the specific situations.
When does this apply
Simplifies the question to when something is applicable.
When is this acceptable
Focuses on the acceptability of something under certain conditions.
FAQs
How can I use "In what cases" in a sentence?
You can use "In what cases" to ask about the specific situations or conditions where something applies. For example: "In what cases should I use a specific type of fertilizer?"
What can I say instead of "In what cases"?
You can use alternatives like "under what circumstances", "in which situations", or "when is it appropriate depending" on the context.
Is "In what cases" formal or informal?
"In what cases" is generally considered neutral and can be used in both formal and informal settings, though more formal alternatives exist for professional contexts.
Which is correct: "In what cases" or "In which cases"?
Both "In what cases" and "In which cases" are grammatically correct and can be used interchangeably, although "In what cases" is more common.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested