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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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two groups

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "two groups" is correct and usable in written English.
You can use it when referring to a pair of distinct collections or categories of people, items, or concepts. Example: "In the study, we divided the participants into two groups based on their age."

✓ Grammatically correct

News & Media

Encyclopedias

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Two groups were celebrating birthdays.

News & Media

The New York Times

The two groups scuffled briefly.

News & Media

The New York Times

The islands form two groups.

The two groups fused rapidly.

by two groups of pessimists.

News & Media

Independent

We have two groups.

News & Media

The Guardian

Two groups: 21 guys.

News & Media

The New York Times

"There are two groups.

News & Media

The New York Times

Researchers evaluated two groups.

Two groups share power.

News & Media

The Guardian

Previously the two groups had been rivals.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

Use "two groups" to introduce a comparison or distinction, then follow with specific details about each group.

Common error

Avoid using "two groups" without specifying the criteria that define each group. Be precise about what differentiates them.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "two groups" functions primarily as a noun phrase, often used as a subject or object within a sentence. It serves to identify a set of two distinct collections or categories. As Ludwig AI indicates, this phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

News & Media

35%

Science

33%

Encyclopedias

12%

Less common in

Wiki

5%

Formal & Business

5%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "two groups" is a grammatically sound and frequently used expression in English. As Ludwig AI confirms, it serves to identify two distinct collections or categories, commonly used to introduce comparisons or classifications. Its neutral register makes it suitable for a wide range of contexts, from scientific reports to news articles. Authoritative sources like The New York Times and The Economist frequently employ this phrase. To ensure clarity, always define each group precisely when using "two groups" in your writing.

FAQs

How can I use "two groups" in a sentence?

You can use "two groups" to introduce a comparison or distinction, such as: "The study participants were divided into "two groups": a control group and an experimental group."

What are some alternatives to "two groups"?

Depending on the context, you can use alternatives like "pair of groups", "two sets", or "two categories".

Is it correct to say "the two groups are" or "the two groups is"?

The correct phrase is "the two groups are" because "groups" is plural and requires a plural verb.

What's the difference between "two groups" and "both groups"?

"Two groups" simply identifies that there are two distinct collections, while "both groups" refers to two previously mentioned or understood groups. "Both groups" implies prior knowledge or context.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: