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
it was main
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it was main" is not correct in standard written English.
It may be an attempt to convey that something was the primary or most important aspect, but it lacks clarity and proper structure. Example: "In the end, it was the main reason for our success."
⚠ May contain grammatical issues
News & Media
Science
Wiki
Alternative expressions(3)
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
3 human-written examples
IT was Main Street, U.S.A., as much as it was Main Street, Southampton.
News & Media
It was main raw material of Chinese herbal toothpaste called "liangmianzhen", and it is also used for some preparations, such as Jinji Tablet, Dieda Wanhua Oil.
While it was main spawning time in May 1988, August 1991 corresponds to the late spawning season [ 7].
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
The i might have meant many things, but it's main purpose was the internet.
News & Media
So it's main competitor is probably Google search.
News & Media
It's main competitor in this space is Wix.
News & Media
How does the government realize it's main responsibility?
It's main brands are 1&1, GMX, WEB.de, united-domains, Fasthosts, InterNetX, Sedo and affilinet.
News & Media
Bambuser remains independent while it's main competitor, Qik, was recently acquired by Skype.
News & Media
Llustre is probably pushing at an open door in Europe, it's main market.
News & Media
Of it's main direct competitors Ad-x was acquired by Criteo.
News & Media
Expert writing Tips
Best practice
Avoid using the phrase "it was main" in formal writing. Opt for grammatically correct alternatives such as "it was the main" or "it was the primary" to ensure clarity and professionalism.
Common error
Do not directly follow "it was" with the adjective "main". Always include a determiner like "the" or "a" (if applicable) before the adjective to form a grammatically correct phrase, such as "it was the main reason".
Source & Trust
88%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was main" is intended to function as a statement identifying the primary or most important aspect of something. However, Ludwig AI identifies this phrasing as grammatically incorrect, needing an article before "main".
Frequent in
News & Media
50%
Science
33%
Wiki
17%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it was main" is grammatically incorrect in standard English and should be avoided in formal writing. As Ludwig AI points out, the phrase requires an article (such as "the") before "main" to be grammatically sound. Although some examples can be found across various sources, including news and scientific publications, it's essential to use corrected alternatives like "it was the main" or "it was the primary" to maintain clarity and credibility. Remember to prioritize grammatical correctness and clarity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it was the primary
Replaces "main" with "primary", providing a more grammatically sound and direct equivalent.
it was the key
Substitutes "main" with "key", emphasizing the essential or crucial nature of the subject.
it was the principal
Replaces "main" with "principal", indicating the most important or leading factor.
it was the chief
Employs "chief" instead of "main", highlighting the most significant or prominent element.
it was the central
Uses "central" in place of "main", stressing the core or pivotal aspect.
it was the foremost
Replaces "main" with "foremost", suggesting the most prominent or important position.
it was the leading
Substitutes "main" with "leading", highlighting the guiding or directing role.
it was the dominant
Uses "dominant" instead of "main", emphasizing the prevailing or controlling influence.
it was the overriding
Replaces "main" with "overriding", stressing the superior or prevailing importance.
it was the preeminent
Substitutes "main" with "preeminent", highlighting the superior or outstanding quality.
FAQs
How can I properly use the word "main" after "it was"?
Always include a determiner before "main", such as "the" or "a", depending on the context. For example, "it was the main reason" or "it was a main concern."
What are some alternatives to "it was main" that are grammatically correct?
Consider using phrases like "it was the primary", "it was the key", or "it was the principal" to convey a similar meaning with better grammar.
Is "it was main" ever considered correct in English?
No, "it was main" is not considered correct in standard written English. It lacks a necessary article and sounds awkward. Use "it was the main" instead.
What's the difference between "it was main" and "it was the main"?
"It was main" is grammatically incorrect. "It was the main" is the correct way to express that something was the most important or principal thing. The addition of "the" makes the sentence grammatically sound.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
2.8/5
Expert rating
Real-world application tested