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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
both two kinds of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "both two kinds of" is not correct and is redundant in written English.
You can use "both" or "two kinds of," but not together, as "both" already implies two. Example: "There are two kinds of fruit available: apples and oranges."
⚠ May contain grammatical issues
Science
News & Media
Encyclopedias
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
8 human-written examples
Scanning electron microscopy images show that both two kinds of samples possess nanoporous structures.
Science
Both two kinds of catalysts have the maximum methane conversion when the Mo loading is 6%.
Science
Both two kinds of nanoparticles were well-dispersed with diameters around 2 3 nm according to TEM.
Science
Both two kinds of electrodes exhibit the best performance with 10 cycles of CdS QD deposition, and the efficiency decreases with further increasing deposition cycles.
Science
Both two kinds of risk were combined with ecological functional importance, which was composed of habitat quality and landscape connectivity, so as to quantify the comprehensive reserve value of ecological land to identify the ecological security sources.
Science
DSC and WAXS analyses suggested that, for both two kinds of the blend films, the addition of O-CMCh did not significantly influence the crystallinity and thermal properties of cellulose.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
Both four kinds of forces (moments) between rings and shell and four kinds of forces (moments) between bulkheads and shell are considered.
Science
We advocate a careful placement of the controllers, which should take into account both the two kinds of control traffic.
Science
It was found that the maximum overpressures increased with the growth of distance from the ignition point both in the two kinds of pipes.
To see how it works, imagine two countries, East and West, which both produce two kinds of goods, bicycles and wheat.
News & Media
Kumārila, like Naiyāyikas, holds both the two kinds of perception as valid.
Science
Expert writing Tips
Best practice
Avoid redundancy by choosing either "both" or "two kinds of", but not both together. For example, use "both types" or "the two kinds" depending on the context.
Common error
Don't use "both" and "two kinds of" together. This creates unnecessary repetition. Choose one or the other for clearer writing.
Source & Trust
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "both two kinds of" functions as a determiner phrase, attempting to specify and quantify a set of categories. However, Ludwig AI indicates this construction is grammatically incorrect due to redundancy.
Frequent in
Science
63%
News & Media
25%
Encyclopedias
12%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "both two kinds of" is grammatically incorrect due to its redundant nature. Ludwig AI flags this as an error, suggesting that either "both" or "two kinds of" should be used independently to avoid repetition. While there are some examples of the phrase in use, particularly in scientific and news-related contexts, it's important to opt for clearer, more concise phrasing. Alternatives such as "both types of" or "the two kinds of" offer grammatically sound ways to convey the intended meaning.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
both types of
Omits "two kinds" retaining "both" which implies twoness, resulting in a shorter phrase.
the two types of
Replaces "both" with "the", maintaining the explicit reference to two types.
the two kinds of
Similar in structure but more formal, specifying two categories.
two sorts of
Uses "sorts" instead of "kinds", offering a slightly different nuance.
both categories of
Replaces "kinds" with "categories", suitable when referring to predefined categories.
the two categories of
Similar to "both categories of" but replaces "both" with "the".
two classes of
Uses "classes" instead of "kinds", fitting when referring to distinct groups.
both forms of
Replaces "kinds" with "forms", appropriate when describing different manifestations.
the two forms of
Similar to "both forms of" but replaces "both" with "the".
two varieties of
Uses "varieties" offering a more descriptive approach.
FAQs
How can I correctly express the idea of two different types or categories?
Instead of "both two kinds of", use either "both types of", "the two kinds of", or simply "two types of" depending on your context.
Is it grammatically correct to say "both two kinds of"?
No, the phrase "both two kinds of" is grammatically incorrect because it's redundant. The word "both" already implies that there are two, so it's unnecessary to include "two kinds of".
What's the difference between "both kinds of" and "two kinds of"?
The phrases "both kinds of" and "two kinds of" are very similar. "Both kinds of" is typically used when referring to two specific, previously mentioned types. "Two kinds of" simply indicates that there are two types without necessarily implying they were already mentioned.
What are some alternatives to the phrase "both two kinds of" that avoid redundancy?
Alternatives include using "both types of", "the two kinds of", or simply "two types of". The best choice depends on the specific context and intended emphasis.
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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
83%
Authority and reliability
2.8/5
Expert rating
Real-world application tested