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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 require
Grammar usage guide and real-world examplesUSAGE SUMMARY
"I require" is correct and usable in written English.
It can be used when expressing a need for something, such as supplies or a certain condition to be fulfilled. For example: "I require more time to complete the project."
✓ Grammatically correct
News & Media
Science
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
60 human-written examples
However, iterations of λ i require communication between the base station and the user's device.
Although many commercial software packages exist, most (i) require licence fees and (ii) have a significant learning time.
Now I require it".
News & Media
"I'm afraid I require it.
News & Media
What if I require surgery?
News & Media
He added, "I require it be burnt".
News & Media
"My kids know I require honesty.
News & Media
"I require an audience with the King".
News & Media
"I require my animals to be well mannered," she said.
News & Media
Because of my disability, I require a lot of care".
News & Media
With my direct reports, I require two years.
News & Media
Expert writing Tips
Best practice
Use "I require" when you want to express a need or demand, especially in more formal contexts. Consider the tone and audience when choosing between "I require" and alternatives like "I need".
Common error
While grammatically correct, using "I require" in everyday conversation can sound overly formal or demanding. In less formal situations, opt for softer alternatives like "I need" or "I'd like".
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "I require" primarily functions as a declarative statement expressing a personal necessity or demand. As Ludwig AI confirms, it's usable in English. Examples from Ludwig show this usage across various contexts.
Frequent in
News & Media
68%
Science
14%
Formal & Business
9%
Less common in
Academia
3%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "I require" is a grammatically sound and frequently used phrase for expressing a need or demand. As indicated by Ludwig AI, it is acceptable in written English. While "Very common", its formality should be considered, as using it in casual contexts may sound overly assertive. Sources such as The New York Times and The Guardian demonstrate its prevalence in news and media. Depending on the circumstance, alternatives like "I need" or "I must have" may be more fitting. Therefore, understanding the context is essential for effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I need
This alternative is a more common and slightly less formal way to express a requirement.
I am in need of
This alternative is a more formal way to express needing something.
I must have
This alternative expresses a strong desire or need.
I demand
This alternative implies a stronger, more assertive requirement.
I insist on
This alternative emphasizes the firmness of the requirement.
I specify
This alternative suggests a precise and detailed requirement.
It is necessary for me
This alternative is a more formal and emphatic way of stating a need.
I stipulate
This alternative is a more formal way to express a condition or requirement, often in legal contexts.
I find it necessary
This alternative expresses a personal judgment of necessity.
I lay down as a condition
This alternative is a very formal way to express a non-negotiable requirement.
FAQs
What is a more casual alternative to "I require"?
For less formal contexts, you can use alternatives like "I need", "I want", or "I'd like" depending on the situation.
When is it appropriate to use "I require" instead of "I need"?
"I require" is suitable for formal settings or when emphasizing the importance of a need. In casual contexts, "I need" is generally more appropriate.
Can "I require" be used in questions?
While less common, "I require" can be used in rhetorical questions to emphasize a point. For direct questions, rephrasing is usually preferred such as: "Do you require something?".
What does "I require" imply about the speaker's authority?
"I require" can suggest the speaker has some level of authority or control over the situation. It's important to consider this implication and choose words accordingly to avoid sounding presumptuous.
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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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested