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
will be substitute
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "will be substitute" is not correct in English.
It should be "will be a substitute" or "will substitute." You can use it when discussing a future action where someone or something will take the place of another. Example: "If the main actor is unable to perform, the understudy will be a substitute for the role."
⚠ May contain grammatical issues
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 similar examples from authoritative sources
Similar Expressions
60 human-written examples
A significant factor in obtaining the material substitution effect will be substituting non-wooden buildings with wooden ones.
Piagno will be substitute-teaching in St. Augustine in the fall; Whitmore will be heading to Cal State Fullerton on a softball scholarship, and will work out with the baseball team.
News & Media
It will retain the waterfall, & the figures will be substituted by Pepsi Cola bottles.
News & Media
In this case, the judgment of the executive will be substituted for that of the heavens.
News & Media
Many of the exhibits will be substituted with similar examples at the end of January for conservation reasons.
News & Media
I arrived at 12 from the Altar of the 12 Gods in the Agora at Athens, though I've substituted Hades for Demeter and will be substituting Dionysus for Hestia.
News & Media
Otherwise one problem will be substituted for another, and the sanitary pad revolution will be as false as every advert for feminine hygiene products, all unrealistic white trousers and stupid blue goo.
News & Media
The current account deficit will shrink as a result of stronger exports from the manufacturing and service sectors, the boost provided to the tourism industry, and because cheaper domestic goods and services will be substituted for more expensive imports.
News & Media
Cleaner energies will be substituted for coal (or, possibly, practical carbon-sequestration technologies will emerge), there will be more investment in public transportation, and, in 2016, according to officials, China will introduce a national cap-and-trade system for carbon emissions.
News & Media
If the proposal is allowed, these new features will be substituted for the vote.
News & Media
If the new harmony dominates the worst harmony, it will be substituted for the worst one.
Expert writing Tips
Best practice
When intending to convey the future act of substitution, ensure you use the grammatically correct forms such as "will be a substitute" or "will substitute".
Common error
Avoid omitting the article "a" before "substitute" when using the phrase as a noun. The correct form is "will be a substitute", not "will be substitute".
Source & Trust
60%
Authority and reliability
1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "will be substitute" is grammatically incorrect and functions as an incomplete predicate. The auxiliary verb "will be" requires a complement, such as an adjective or a noun phrase, which is missing here.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "will be substitute" is grammatically incorrect. As noted by Ludwig AI, the correct forms are either "will be a substitute" (using "substitute" as a noun) or "will substitute" (using "substitute" as a verb). It's crucial to include the article "a" when using "substitute" as a noun to ensure grammatical accuracy. The absence of examples underscores its non-usage in reliable sources. Alternatives like "will replace" or "will take the place of" can also be considered based on the context. Always prioritize grammatical correctness to maintain clarity and credibility in writing. Therefore, it is important to always use the proper and grammatically correct forms of this phrase and similar ones. Always proofread before sending or publishing any written material.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
will be a substitute
Adds the article "a" to correct the grammatical structure, indicating a role or position.
will substitute
Uses the verb "substitute" directly, implying the action of replacing something.
will be replacing
Emphasizes the ongoing process of replacing something.
will act as a substitute
Specifies the function of acting as a replacement.
will serve as a substitute
Similar to "act as a substitute" but emphasizes a formal role or duty.
will stand in for
Idiomatic expression meaning to temporarily replace someone.
will fill in for
Similar to "stand in for", indicating a temporary replacement.
will take the place of
A more literal way of saying something will replace something else.
will cover for
Implies a temporary replacement, often to help someone out.
will deputize for
A more formal term for temporarily acting in someone's place.
FAQs
What is the correct way to use "will be substitute" in a sentence?
The grammatically correct options are "will be a substitute" or "will substitute". For example, "He "will be a substitute" teacher" or "He "will substitute" for the injured player".
What can I say instead of "will be substitute"?
You can use alternatives like "will be a replacement", "will take the place of", or simply "will replace" depending on the context.
Which is correct, "will be substitute" or "will be a substitute"?
"Will be a substitute" is the correct form. The phrase "will be substitute" is grammatically incorrect.
What's the difference between "will be a substitute" and "will substitute"?
"Will be a substitute" uses "substitute" as a noun, while ""will substitute"" uses it as a verb. Both are correct but have slightly different emphasis. Example: "He will be a substitute teacher" (noun) vs. "He will substitute for the teacher" (verb).
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
60%
Authority and reliability
1/5
Expert rating
Real-world application tested