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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
call on
Grammar usage guide and real-world examplesUSAGE SUMMARY
"call on" is a correct and usable phrase in written English.
It is usually used in the context of asking someone to speak out loud or to give their opinion or ideas. Example: The teacher asked the students to call on at least two of their peers to take part in the discussion.
✓ Grammatically correct
News & Media
Academia
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
57 human-written examples
You can call on me.
News & Media
They have to call on scientists.
Referees can call on director.
News & Media
Please, Rome, don't call on me.
News & Media
Who can you call on for help?
News & Media
Good call on that one.
News & Media
would call on her.
News & Media
Call on the Ghost….
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
Have we been called on by them?
Academia
Strike two called on the outside corner.
News & Media
Two pupils called on.
News & Media
Expert writing Tips
Best practice
To avoid ambiguity, clarify the intended meaning of "call on". Are you asking someone to speak, requesting assistance, or simply visiting?
Common error
Avoid using "call on" interchangeably with phrases like "call at" or "call in". "Call on" implies a visit to a person or a request for action, while "call at" usually refers to a place and "call in" refers to contacting via phone or radio.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrasal verb "call on" primarily functions as a verb indicating an action, either to visit someone or to request something from them. As Ludwig AI suggests, it can also be used to select someone to provide an answer.
Frequent in
News & Media
50%
Academia
30%
Science
10%
Less common in
Encyclopedias
2%
Formal & Business
4%
Wiki
4%
Ludwig's WRAP-UP
In summary, the phrasal verb "call on" is a versatile term with multiple meanings, primarily revolving around visiting someone or requesting something from them. Ludwig AI confirms its correct grammatical status and frequent usage. It is commonly found in News & Media and Academia, with a neutral register suitable for both formal and informal contexts. When writing, it's important to ensure that the context clarifies whether you are referring to a visit, a request, or selecting someone to speak. Related phrases include "visit", "ask", and "turn to", each offering slight variations in meaning. To avoid confusion, distinguish "call on" from similar phrases like "call at" or "call in".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
turn to
Implies seeking help or support from someone, mirroring the reliance aspect of "call on".
visit
This alternative refers specifically to the action of going to see someone.
ask
This alternative implies a request or demand, similar to calling upon someone for assistance.
request
This term suggests a formal appeal or invitation, similar to calling upon someone for a specific task.
appeal to
This option conveys a sense of making a serious or urgent request.
seek out
Suggests actively looking for someone to provide assistance or guidance.
select
Implies choosing someone for a particular role or task.
consult with
This phrase emphasizes the act of seeking advice or counsel from someone.
designate
This alternative suggests formally appointing someone to a position or responsibility.
summon
This implies a formal or authoritative request for someone to appear or provide something.
FAQs
How can I use "call on" in a sentence?
What does it mean to "call on" someone for help?
To "call on" someone for help means to request or ask them for assistance. For example, "We may need to "call on" our neighbors if the storm worsens".
Which is correct, "call on" or "call upon"?
"Call on" and "call upon" are often interchangeable, but "call upon" can sometimes imply a more formal or serious request. Both phrases are correct depending on the context.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested