three categories

USAGE SUMMARY

"three categories" is a correct and usable part of a sentence in written English.
You can use it when you are referring to three distinct groups or classes of something. For example, "This report is divided into three categories: financial, security, and health risks."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

There are three categories.

The New Yorker

Pelagic life consists of three categories.

Encyclopedia Britannica

The farmers fell into three categories.

The Economist

Crudely, they fall into three categories.

The Economist

These three categories are unique and inactive.

Encyclopedia Britannica

Broadly, they fit into three categories.

The Economist

I'd got three categories in mind.

Independent

The students fall into three categories.

The New York Times

He placed these in three categories.

The Guardian

There were three categories of performance.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

Dr. Curtis proposes seven categories.

The New York Times - Science

Expert writing Tips

Best practice

Use "three categories" when you need to classify or divide a larger subject into three distinct groups for clarity or analysis.

Common error

Avoid using "three categories" if the criteria for each category are not consistently applied or are overlapping. Ensure clear and mutually exclusive criteria for each category.

Linguistic Context

The phrase "three categories" functions as a noun phrase, typically used to introduce a classification or division of a subject into three distinct groups. Ludwig AI confirms its correct usage in various contexts.

Expression frequency: Very common

Frequent in

News & Media

48%

Science

27%

Academia

14%

Less common in

Formal & Business

5%

Encyclopedias

2%

Wiki

2%

Ludwig's WRAP-UP

The phrase "three categories" is a common and grammatically sound way to classify information into three distinct groups. Ludwig AI confirms its widespread and correct usage across various domains. It is most frequently found in News & Media, Science, and Academic contexts. When using this phrase, ensure each category is clearly defined and mutually exclusive to maintain clarity. While alternatives like "three types" and "three groups" exist, "three categories" offers a balance of formality and precision suitable for diverse applications.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

three types

Replaces "categories" with a synonym, maintaining the same general meaning.

three kinds

Similar to "three types", offering a slightly less formal alternative.

three groups

Focuses on the act of grouping, suitable when the distinctions are less formally defined.

three classes

Implies a more structured or hierarchical arrangement than "three categories".

three sorts

An informal synonym for "three types" or "three kinds".

three divisions

Suggests a partitioning into distinct segments or sections.

three classifications

Highlights the act of classifying, often in a scientific or academic context.

a threefold division

Uses a more formal and concise structure to convey the same meaning.

three segments

Suggests dividing something into three distinct parts or sections.

categorized into three

Shifts the focus to the action of categorization rather than the categories themselves.

FAQs

How can I use "three categories" in a sentence?

You can use "three categories" to classify or divide a topic into three distinct groups. For instance, "The research participants were divided into "three categories" based on their age, income, and education level."

What are some alternatives to using "three categories"?

Alternatives include using phrases like "three types", "three groups", or "three classes" depending on the specific context and level of formality.

Is it ever incorrect to use the phrase "three categories"?

The phrase "three categories" is generally correct. However, ensure that you genuinely have three distinct categories. Avoid using it if the categories are not clearly defined or if there is significant overlap between them.

What's the best way to introduce "three categories" in my writing?

You can introduce "three categories" by stating that you are classifying something into three distinct groups, for example, "The study results can be summarized into "three categories": positive outcomes, negative outcomes, and neutral outcomes."