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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 underlined in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "I underlined in" is not complete and lacks context, making it unclear in written English.
It can be used when referring to something that has been emphasized or highlighted in a text, but it needs to be followed by what was underlined and where. Example: "In the document, I underlined in red the key points that need to be addressed."
News & Media
Science
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
1 human-written examples
So for those who'll take their conspiracy info "neat," I am going to include here just a few of Waldron's amazing facts -- the ones I underlined in my copy of the book in red ink.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Mostly I underlined passages in my favorite books.
News & Media
So, as I prepared to write this, I looked for things I had underlined in my reading thus far that might speak to John's life, and that's how the quote about humor above came to be included.
News & Media
I underlined the key passages in the articles, emphasizing the dialogue, marked out overly complex dependent clauses, and photocopied it so that each student had a copy of the text.
News & Media
A few I had underlined in my copy, many I hadn't.
News & Media
The COX-2 (-327/+59) promoter fragment [ 42] was PCR amplified with the primers 5'- GandTCGAAGAAGAAAAGACATCTGGCG-3' and 5'- CTCGAGGCGCTGCTGAGGAGTTCCTG-3' and subsequently inserted into the Sac I/ Xho I sites (underlined in the primer sequence) of the luciferase reporter vector pGL3-Basic (Promega, Madison, WI).
Science
Then I underlined it.
News & Media
If there's one thing I hope I could have underlined in the profile — and perhaps it was clear — is his almost myopic focus on Facebook and its products.
News & Media
"One of the areas that of course proved very important in Iraq and may, and I underline may, have some relevance in Afghanistan, is the concept of reconciliation," he added.
News & Media
This is also found in experiment I, underlining the predictive value of the previously published photocatalytic activity test [5].
Science
The last 'C' was the starting 'C' of a Pst I restriction site (underlined in the S2 reverse-complementary sequence).
Science
Expert writing Tips
Best practice
Always complete the phrase with the specific element you underlined and the context where you did it. For example: "I underlined in red the most important data in the report."
Common error
Avoid using "i underlined in" as a standalone phrase. It requires completion to specify what was underlined and where. Without that, it's grammatically incomplete and lacks clear meaning.
Source & Trust
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "i underlined in" functions as part of a sentence where the speaker describes an action of marking or highlighting something within a text or document. As Ludwig AI notes, this phrase isn't complete without specifying what was underlined and where.
Frequent in
News & Media
44%
Science
44%
Formal & Business
12%
Less common in
Social Media
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "i underlined in" is a common way to describe the action of marking text for emphasis. However, it's grammatically incomplete and requires additional information specifying what was underlined and the context. Ludwig AI points out that completing the phrase is crucial for clear communication. Common alternatives include "i highlighted in", "i marked in", and "i emphasized in". While suitable for various contexts, it maintains a neutral register. Remember to complete the phrase to avoid ambiguity and ensure clarity in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
i underscored in
Uses "underscored", a synonym for "underlined", making it a very close alternative.
i highlighted in
Replaces "underlined" with "highlighted", focusing on a different method of text marking but retaining the core meaning.
i marked in
Uses "marked" as a general term for text annotation, offering a broader interpretation than specifically underlining.
i emphasized in
Shifts the focus from the physical act of marking to the intent of emphasizing certain text.
i noted in
Implies that something was written down to be remembered but is less focused on marking the text.
i annotated in
Uses a more formal term, "annotated", which suggests adding explanatory notes, not just marking.
i drew attention to in
Replaces the marking action with the more descriptive phrase "drew attention to", changing the sentence structure.
i identified in
Focuses on the act of identifying something within the text, rather than the physical marking.
i indicated in
Uses a more general term, "indicated", which could refer to any way of showing something's importance, reducing the specificity.
i pointed out in
Shifts the emphasis to the act of pointing out, often implying a verbal explanation along with the marking.
FAQs
How can I use "i underlined in" in a sentence?
The phrase "i underlined in" needs to be completed with what you underlined and the context. For example, "I underlined in the text the key phrases" or "I underlined in blue the important dates".
What's a more formal way to say "i underlined in"?
A more formal alternative could be "i underscored in" or "i highlighted in". The choice depends on whether you want to emphasize the action or simply state you marked something. For example: "I underscored in the document the areas needing revision."
What are some alternatives to "i underlined in"?
You can use alternatives like "i highlighted in", "i marked in", or "i emphasized in" depending on the specific meaning you want to convey. Consider using "i marked in" if you want a more general phrase, or "i emphasized in" if you want to stress the importance of what you marked.
Is "i underlined in" grammatically correct?
While commonly used, "i underlined in" isn't grammatically complete on its own. It always requires further context to specify what was underlined and where. Ludwig AI identifies the phrase as needing completion to be fully meaningful.
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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
4.2/5
Expert rating
Real-world application tested