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
I requires that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I requires that" is not correct in English.
It should be "I require that." You can use the corrected phrase when expressing a demand or necessity for something to happen. Example: "I require that all team members submit their reports by Friday."
⚠ May contain grammatical issues
Science
News & Media
Formal & Business
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
4 human-written examples
Criterion (i) requires that the defragmented hits be in the same orientation on the query sequence, and that they match consecutive (though not necessarily contiguous) regions of the reference element r. (Note that along the query sequence these defragmented hits need not be consecutive, in the sense that there may be other hits to r nested between them).
Science
All of these criteria are satisfied by the kinetic scheme depicted in Figure 7. Criterion (i) requires that the mechanochemical cycle of the helicase contains a minimum of two kinetic steps: an ATP binding step, which becomes rate-limiting at low ATP concentrations, followed by an unwinding step, rate-limiting at saturating ATP concentrations.
Science
A combined exposure that falls into Group I, requires that Maximum Hazard Quotient (MHQ) must exceed one.
I requires that this question be answerable independently of whether the people preferred either of them to, say, Abraham Lincoln, or preferred George Washington to Lincoln.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
Condition 1), Cov(Z1,u i ) = 0, requires, that Z1 has no direct effect on Y i.
Science
Is requiring that people pay a tax that finances health coverage O.K., while requiring that they purchase insurance is unconstitutional?
News & Media
I think long-distance running requires that same sort of persistence".
News & Media
I'm not sure I require that level of hedonism.
News & Media
"Almost, but not yet one, and I require that you serve us".
News & Media
"Usually, I require that my clients rip up their credit cards," he said.
News & Media
I require that the five-year average return on investment ranks in the top half relative to industry peers, and I require that the magnitude of revision of the estimate of EPS for the next fiscal year rank in the upper half relative to all stocks.
News & Media
Expert writing Tips
Best practice
Always use the correct verb conjugation. Use "I require that" instead of "I requires that".
Common error
Avoid using "I requires that". The correct form is "I require that". This ensures grammatical accuracy in your writing.
Source & Trust
60%
Authority and reliability
1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I requires that" is intended to express a demand, a condition, or a necessity imposed by the speaker. It aims to convey that a specific action or state is needed or mandated. However, as Ludwig AI indicates, the grammar is incorrect.
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
In summary, the phrase "I requires that" is grammatically incorrect. The correct form is "I require that". This phrase is used to express a demand, a necessity, or a mandatory condition. As Ludwig AI points out, it's important to use the correct verb conjugation to ensure grammatical accuracy. While the intention may be to convey authority or formality, using the incorrect form undermines the intended register. Alternatives like "I insist that" or "I demand that" can be used to express similar ideas with the correct grammatical structure.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
I require that
Corrects the grammatical error by using the correct verb form.
I insist that
Emphasizes the firmness of the requirement.
I demand that
Conveys a strong sense of authority and expectation.
I stipulate that
Introduces a specific condition or agreement.
I specify that
Indicates a precise and clear requirement.
It is necessary that I
Shifts the focus to the necessity rather than the speaker's demand.
I make it a requirement that
Highlights the formal nature of the condition.
My requirement is that
Rephrases the demand to focus on the requirement itself.
I consider it essential that
Emphasizes the importance of the requirement.
It is imperative that I
Highlights the urgency and importance of the necessity.
FAQs
What is the correct way to use the phrase?
The grammatically correct phrase is "I require that", using the base form of the verb "require" after the pronoun "I".
What can I say instead of "I requires that"?
Since "I requires that" is incorrect, use the proper form: "I require that". Other alternatives include "I insist that" or "I demand that".
Which is correct, "I requires that" or "I require that"?
"I require that" is the correct grammatical form. "I requires that" is incorrect.
Is "I requires that" ever appropriate?
No, "I requires that" is never grammatically correct in standard English. Always use "I require that".
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