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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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two alternatives exist

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "two alternatives exist" is correct and usable in written English.
You can use it when discussing options or choices available in a particular situation or context. Example: "In this decision-making process, two alternatives exist: we can either invest in new technology or enhance our current systems."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Two alternatives exist to merge information when computing real motion intention (Tx,j, Ty,i): information obtained from the on-board inertial measurement unit (IMU) or the control action data.

Two alternatives exist to explain this paradox: (1) IL-1 family cytokines are dispensable in Nlrp3-initiated adaptive immune responses; or (2) IL-1 family cytokines are required, but can signal through MyD88-indpendent signalling pathways.

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

On Fox News, Shepard Smith asked Jackson, "How in the world are we just figuring out this dispersant is toxic after we have put millions of gallons of it into the Gulf of Mexico?" The following day, BP argued in a letter that only one alternative existed in sufficient quantity, and that the company was unable to acquire the proprietary formula for evaluation in so short a time.

News & Media

The New Yorker

What are we supposed to do, then, if our reason is so flexible that it "changes with two degrees of elevation towards the pole", as Pascal puts it ?[47] For the Jansenist thinker, only one alternative exists, faith in Jesus Christ.

Science

SEP

Two basic alternatives exist regarding the possible functionality of expressed members of gene families – they may be functionally redundant, providing the same activity in many or most cells, or they may be specialized, either in activity or expression.

Science

Plosone

Currently, two general alternatives exist to assess the effect of AGTs on phylogeny reconstruction.

Two treatment alternatives exist: conventional open surgery or endovascular repair (EVAR).

Two such alternatives exist: First, the technique of corneal confocal microscopy enables the direct visualization of small corneal nerve fibers in vivo, has been shown to detect small-fiber damage earlier than IENFD in skin biopsies on the dorsum of the foot (23), and detects nerve repair within 6 months of pancreas transplantation (24).

Two alternative pathways exist in yeast through which 27SA2 pre-rRNAs are converted into 27SB pre-rRNAs (Fig. 1): The major pathway starts with an endonucleolytic cut at site A3 through RNAse MRP, about 70 nucleotides downstream of site A2, followed by a trimming reaction by 5'–3' exonucleaseses Xrn1p and Rat1p [41].

Science

Plosone

Two alternative explanations exist for this unexpected finding.

Two alternative explanations exist for the absence of significant oscillation pattern in young harvester ant nest workers – difficulty in assaying significant changes in mRNA levels due to lower overall amounts of mRNA compared to foragers, or arrhythmicity among pooled individuals (the clocks of nest workers are operational, but not synchronized to other individuals).

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Expert writing Tips

Best practice

When using "two alternatives exist", clearly define what those alternatives are within the sentence or the immediate context for clarity. Ensure the reader understands the options being presented.

Common error

Avoid stating "two alternatives exist" without specifying what those alternatives are. This can leave the reader confused about the available choices. Always provide context or examples to clarify.

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

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "two alternatives exist" functions as an existential statement. It asserts the presence of two options or possibilities in a given context. Ludwig AI confirms this is correct and usable in English, often appearing in scenarios where choices need to be highlighted.

Expression frequency: Uncommon

Frequent in

Science

40%

News & Media

35%

Academia

10%

Less common in

Encyclopedias

5%

Formal & Business

5%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "two alternatives exist" is a grammatically sound and usable expression to indicate the presence of exactly two options or possibilities. Ludwig AI validates its correctness and provides examples predominantly from scientific and news media contexts. While not exceedingly common, it maintains a neutral to formal register suitable for professional and academic discourse. When using this phrase, remember to clearly define the two alternatives for enhanced clarity. Common alternatives include "there are two options available" and "two choices are possible". Overall, its precise meaning and appropriate contexts make it a useful tool for clear communication.

FAQs

How can I use "two alternatives exist" in a sentence?

You can use "two alternatives exist" to introduce a situation where there are two distinct options or possibilities. For example, "Regarding this problem, "two alternatives exist": we can either invest in new technology or enhance our current systems."

What are some alternatives to saying "two alternatives exist"?

You can use alternatives like "there are two options available", "two choices are possible", or "there exist two possibilities" depending on the context.

Is it better to say "two alternatives exist" or "there are two alternatives"?

Both ""two alternatives exist"" and "there are two alternatives" are grammatically correct. The choice depends on the desired formality and emphasis. The former is often perceived as slightly more formal.

When should I use "two alternatives exist" instead of "there is an alternative"?

Use ""two alternatives exist"" when you want to emphasize that there are specifically two options. Use "there is an alternative" when you want to indicate the presence of at least one other option without specifying the exact number.

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Real-world application tested

Most frequent sentences: