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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
write it on the line
Grammar usage guide and real-world examplesUSAGE SUMMARY
"write it on the line" is a correct and usable phrase in written English.
You may use it when you are asking someone to write something directly on a line or blank space. For example, in an assignment, your teacher might tell you to "write your answers on the line provided".
✓ Grammatically correct
News & Media
Wiki
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
3 human-written examples
"Fill in the oval, write it on the line," the senator sang in a shaky contralto, striving to create an Election Day anthem out of a supporter's original tune, called "Cinderella".
News & Media
That meant leading crowds at campaign rallies in spelling aloud her name, singing voter instructions — "fill in the oval, write it on the line" — as she once did in Fairbanks, and investing time courting Alaska Natives, whose support proved crucial on Election Day.
News & Media
Among the ways Senator Lisa Murkowski's campaign is trying to encourage people to write in her name on the ballot -- and spell it correctly: A jingle that spells out her name and features the words, "Fill in the oval, write it on the line".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
So I'm stuck writing a check to the Nevada plan, pestering the groggy Mr. Sullivan for his account number, writing it on the memo line of the check and then dropping the check in a mailbox.
News & Media
If you're writing it on lined paper, skip the very last line and go directly to the other side/next page.
Wiki
Response: We accepted this question sincerely, and we have re-written it on Page 11 (Line 10 11).
Science
Write it on lined paper so she can read it easily and keep it fun!
Wiki
For each caption write it's number on a separate line (in order) - begin with 1.
Wiki
"The challenge is writing right on the line".
News & Media
Write 1/4, 2/4 and 3/4 on the number line.4/4 equals 1 so you need not write it.
Wiki
" The payee should be written on the line to the right of this statement.
Wiki
Expert writing Tips
Best practice
When providing instructions, be specific about which line or blank space the information should be written on.
Common error
Avoid using "write it on the line" when a more specific instruction is needed. For example, if you need the date, specify "write the date on the line" instead of the general phrase.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "write it on the line" functions primarily as an imperative, instructing someone to record information in a physical space. This is supported by Ludwig's confirmation that it's a correct and usable phrase for asking someone to write something directly on a line.
Frequent in
News & Media
40%
Wiki
35%
Science
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "write it on the line" is a grammatically correct instructional phrase used to direct someone to record information on a specific line or blank space. As confirmed by Ludwig, the phrase is most commonly found in News & Media, Wiki, and Science contexts. To avoid ambiguity, it's best to be specific about which line the information should be written on. While the phrase is generally acceptable, consider alternatives like "fill in the blank" or "put it in writing" depending on the situation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
fill in the blank
Focuses on completing a missing piece of information, similar to writing on a line.
inscribe it there
Emphasizes the act of permanently recording something in a specific location.
put it in writing
Highlights the act of recording something formally in written form. Changes from the line to the overall context of writing.
record it on the designated space
More formal and specific, emphasizing the act of recording in a prepared area. Adds formality.
note it down
A more general instruction to make a written record. Removes specific reference to 'the line'.
jot it down
Implies writing something quickly and informally, similar to noting it down. Removes specific reference to 'the line'.
write it down
A general instruction to record something in writing. Removes specific reference to 'the line'.
mark it there
A more general instruction to leave a mark in a certain location, without necessarily using writing. Removes specific reference to 'the line' and the act of writing.
enter the details
Focuses on providing specific pieces of information, broadening the context beyond just writing.
complete the form
Indicates filling out an entire form or document. Drastically increases the context.
FAQs
How can I use "write it on the line" in a sentence?
Use "write it on the line" when instructing someone to record information on a designated line or blank space. For example, "Write your name on the line provided".
What is a similar phrase to "write it on the line"?
You can use "fill in the blank" or "put it in writing" depending on the context.
Is it always necessary to specify "write it on the line"?
No, if the context already implies where the information should be written, you can simplify it. For instance, use "write your name here" if the line is clearly indicated.
When is it not appropriate to use "write it on the line"?
Avoid using "write it on the line" if you are referring to typing information into a digital field, as it implies a physical line or space on a document.
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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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested