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 need refresh my knowledge
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence "I need refresh my knowledge" is correct and usable in written English.
You can use it whenever you need to convey that you need to brush up on a certain topic or subject. For example, "I need to refresh my knowledge on European history as I'm taking an exam soon."
⚠ 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
I have other people and blogs I look up to for wisdom, discussion, and to constantly refresh my knowledge.
News & Media
So as I was refreshing my knowledge of the Vikings, I was also thinking about legendary weapons.
News & Media
I refreshed my knowledge and learned many new methods and approaches and new guidelines, but I cannot use most of them because of our poor resources.
Science
"I need to refresh my batteries, take a break and see where my career now goes," Watson told the club website. .
News & Media
I had spent so little time away from my desk that, when I finished the book, I barely needed to refresh my Twitter time line.
News & Media
"All those things I already know but just need refreshing.
News & Media
I am conscious of what I don't know and that my view of the world may need refreshing.
News & Media
Holiday songs need refreshing.
News & Media
"The show is informative because I get to learn new things myself and refresh my Islamic knowledge," he says.
News & Media
But my memory needed refreshing on why exactly egg-sucking competence is so prized.
News & Media
"But I've been on the treadmill for a while now and I need to refresh.
News & Media
Expert writing Tips
Best practice
Always use the correct form: "I need to refresh my knowledge". This ensures clarity and grammatical accuracy.
Common error
Do not omit the "to" in the infinitive form. Saying "I need refresh my knowledge" is grammatically incorrect. The correct form is "I need to refresh my knowledge".
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase is intended to express the need for an action related to one's knowledge. However, the omission of "to" makes it grammatically incorrect. The correct form is "I need to refresh my knowledge."
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 "I need refresh my knowledge" is grammatically incorrect due to the missing "to" before the verb "refresh". The correct form is "I need to refresh my knowledge". As Ludwig AI confirms, the proper phrasing is essential for clear communication. Related phrases include "I need to update my knowledge" and "I need to brush up on my knowledge", which can be used depending on the context. It's crucial to avoid the ungrammatical form to maintain credibility in both formal and informal settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
I need to review my knowledge
Uses "review" for a simple restatement of the need to go over existing information.
I need to refresh my understanding
Replaces "knowledge" with "understanding", emphasizing comprehension.
I need to improve my knowledge
A general statement about the need for better knowledge.
I need to update my knowledge base
Uses "update" and "knowledge base" for a more formal tone, suggesting a structured collection of information.
I need to brush up on my knowledge
Employs the idiom "brush up on", indicating a light review.
My knowledge requires refreshing
Shifts the focus to the knowledge itself needing the update, rather than the person's need.
I need to enhance my knowledge
Replaces "refresh" with "enhance", focusing on improvement.
I require a knowledge update
A more formal phrasing, suitable for professional contexts.
I need to deepen my knowledge
Suggests a more thorough and profound understanding is required.
I need to expand my knowledge
Focuses on increasing the breadth of one's knowledge.
FAQs
How to correctly use the phrase "I need to refresh my knowledge" in a sentence?
Use "I need to refresh my knowledge" when you want to express the necessity of reviewing or updating your understanding of a particular subject. For example, "I need to refresh my knowledge of algebra before the exam".
What's the difference between "I need to refresh my knowledge" and "I need to update my knowledge"?
"I need to refresh my knowledge" implies a review of existing knowledge, while "I need to update my knowledge" suggests adding new information to your current understanding. Consider the context to choose the most appropriate phrase.
What can I say instead of "I need to refresh my knowledge"?
You can use alternatives like "I need to "review my knowledge"", "I need to "brush up on my knowledge"", or "I need to "update my understanding"" depending on the context.
Is it correct to say "I need refresh my knowledge"?
No, it is not grammatically correct. The correct phrasing is "I need to refresh my knowledge". The infinitive form requires the "to".
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
1.5/5
Expert rating
Real-world application tested