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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
know you understood
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "know you understood" is not correct in standard written English.
It seems to be an incomplete thought and lacks proper context to convey a clear meaning. Example: "I just want to know you understood the instructions I provided."
⚠ May contain grammatical issues
Wiki
News & Media
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
1 human-written examples
I didn't know you understood 11/4.' Of course I said something intelligent like, 'What's 11/4?' Duane just said, 'Okay, dumbass, I'll try to draw it up on paper for you.'" Gregg Allman's lyrical contributions to the band's debut album have been called "remarkably mature lyrical conceptions for such a young man, expertly executed in a minimalist, almost haiku style".
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
I know you understand that.
News & Media
I know you understand.
News & Media
We know you understand".
News & Media
Dearest friend of all, brother, you know what I'm saying, and I know you understand.
News & Media
If you telephone Mrs. King, they will know you understand and will help.
News & Media
"There is not so much that I can say, I know you understand that," he said.
News & Media
"I know you understand it perfectly well, you don't need to pretend you don't get it," he said.
News & Media
"Those who know you understand that you are a man of outstanding insight, fierce determination, and above all, courage.
News & Media
Show empathy to help defuse the tension, letting the person know you understand that there is reason for concern.
News & Media
But if you need to get into the whole "thumbs up" thing, let her know you understand about houseguests, too.
News & Media
Expert writing Tips
Best practice
When aiming for clarity, replace "know you understood" with grammatically correct alternatives such as "know that you understood" or "confirm you understood".
Common error
Avoid omitting the conjunction "that" after "know" when expressing a complete thought. Saying "know you understood" sounds fragmented. Instead, use "know that you understood" to create a clear and grammatically sound statement.
Source & Trust
85%
Authority and reliability
2.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "know you understood" functions as an incomplete clause. It attempts to express confirmation or understanding but lacks the necessary grammatical structure to convey a complete thought. As Ludwig AI explains, this phrase is not standard English.
Frequent in
Wiki
50%
News & Media
50%
Formal & Business
0%
Less common in
Science
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "know you understood" is grammatically incorrect and rarely used in standard English. As Ludwig AI points out, it is an incomplete thought and lacks proper context. While it appears in some online sources, including news articles and wikis, it is not considered appropriate for formal or professional communication. For clearer and more effective communication, it is advisable to use grammatically correct alternatives such as "know that you understood", "confirm you understood", or "ensure you understood". These alternatives provide clarity and avoid grammatical errors.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
know that you understood
Adds 'that' for grammatical correctness, making the understanding the object of 'know'.
know if you understood
Replaces 'that' with 'if' to inquire about understanding.
confirm you understood
Focuses on verifying the understanding.
ensure you understood
Emphasizes making certain that understanding was achieved.
verify you understood
Similar to confirm, but implies a more formal check.
check that you understood
Suggests a brief assessment of understanding.
make sure you understood
Highlights the importance of confirming understanding.
be sure you understood
Expresses a desire for certainty about understanding.
know you have understood
Uses the present perfect tense to emphasize the completion of understanding.
know you did understand
Uses emphatic 'did' to stress that understanding occurred.
FAQs
How can I correct the phrase "know you understood"?
You can correct it by adding the conjunction "that", making it "know that you understood". Alternatively, you can use phrases like "confirm you understood" or "ensure you understood".
Is it grammatically correct to say "know you understood"?
No, it is not grammatically correct. The phrase is missing a conjunction like "that" or "if". Correct versions include "know that you understood" or "know if you understood".
What's the difference between "know you understood" and "know that you understood"?
"Know you understood" is grammatically incomplete, while "know that you understood" is a complete and grammatically correct sentence. The inclusion of "that" creates a proper subordinate clause.
When is it appropriate to use "know that you understood"?
It is appropriate to use "know that you understood" when you want to express or confirm your understanding of something that someone else has understood. For example, "I want to "know that you understood" the instructions I gave you".
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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
85%
Authority and reliability
2.1/5
Expert rating
Real-world application tested