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
they can either
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "they can either" is correct and usable in written English.
You can use this phrase when you want to list two options. For example, "They can either go for a walk or watch a movie."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(4)
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
And they can either operate or wait.
News & Media
They can either set a cooperative or a competitive tone.
Academia
"I don't think they can either," Brown chimed in.
News & Media
They can either take it or leave it.
News & Media
"They can either do so as combatants or as neighbours.
News & Media
They can either give evidence in person or in writing.
News & Media
They can either increase or decrease clarity for their teams.
News & Media
Depending on their nature, they can either accelerate or slow down the sintering rate.
Science
They can either be free or be subject to external loading.
Science
They can either capture solar energy directly or thermal energy through natural convection.
They can either vote in favor of a board member or withhold their support.
Expert writing Tips
Best practice
Follow "they can either" with "or" to clearly connect the two alternative options. Omitting "or" can lead to confusion.
Common error
Avoid starting a sentence with "they can either" and failing to provide a clear second option. Always complete the thought with a distinct alternative introduced by "or".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "they can either" functions as a connector to present two alternative options or courses of action available to a group of people. Ludwig indicates this structure is grammatically correct and widely used.
Frequent in
News & Media
50%
Science
20%
Academia
15%
Less common in
Wiki
10%
Formal & Business
5%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "they can either" is a grammatically sound and frequently used construction to present two distinct alternatives. Ludwig confirms its correctness and widespread usage across various domains, particularly in news, science, and academic contexts. When employing "they can either", ensure that the options are clearly defined and connected with "or" to maintain clarity. While alternatives such as "they have a choice to" exist, "they can either" remains a direct and effective way to convey a choice between two possibilities.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
they have a choice to
Focuses on the availability of a choice rather than explicitly stating two options.
they could choose to
Highlights the act of choosing, implying a decision-making process.
their options include
Emphasizes a range of possibilities without specifying a binary choice.
they might prefer to
Suggests a preference between alternatives, rather than a strict either/or scenario.
they may want to
Indicates a potential desire to select one of multiple choices.
they are free to
Focuses on the freedom of choice rather than the specific alternatives.
it's up to them to
Shifts the focus to the responsibility of making a decision.
they get to decide if
Highlights the power of decision-making, emphasizing the conditionality.
the decision rests with them
Implies the ultimate authority to make a selection.
they have the discretion to
Emphasizes the freedom and authority in making a decision based on their judgment.
FAQs
How do I use "they can either" in a sentence?
Use "they can either" to present two distinct options or possibilities. For instance, "They can either stay home or "go to the party"".
What's a good alternative to "they can either"?
Alternatives include "they have a choice to", "their options include", or depending on the context, "they could choose to".
Is it grammatically correct to say "they can either" without an "or"?
While it might be understood, omitting the "or" after presenting the first option is grammatically incomplete and can lead to confusion. Always follow "they can either" with a clear alternative introduced by "or".
What's the difference between "they can either" and "they can also"?
"They can either" presents two mutually exclusive options, while "they can also" suggests an additional action or possibility alongside something else. The former indicates a choice, the latter an addition.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested