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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
so is
Grammar usage guide and real-world examplesUSAGE SUMMARY
“so is” is correct and usable in written English.
It is typically used as a sign of agreement or to emphasize a similar point. For example, "I love chocolate ice cream." "Me too! So is vanilla."
✓ Grammatically correct
News & Media
Alternative expressions(9)
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
60 human-written examples
So is she".
News & Media
So is the audience.
News & Media
So is Melo".
News & Media
So is he finished?
News & Media
So, is Seinfeld funny?
News & Media
So is inflation.
News & Media
So is the farming.
News & Media
So is the book.
News & Media
So is Phillips's scheme.
News & Media
So is Zur Bleiche.
News & Media
"So" is simply annoying.
News & Media
Expert writing Tips
Best practice
Use "so is" to succinctly agree with a prior statement or to emphasize that a characteristic or condition applies to multiple subjects. It adds a concise and affirmative tone to your writing.
Common error
Ensure the verb "is" agrees with the subject following it. For example, avoid saying "So are he" when the correct form is "So is he".
Source & Trust
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "so is" functions as an affirmative echo or agreement marker. As Ludwig AI indicates, it confirms that a statement about one subject also applies to another. It essentially mirrors a characteristic or state.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "so is" is a common and grammatically correct way to express agreement or to indicate that something is also true of another subject. As Ludwig AI confirms, it serves as an affirmative echo, reinforcing a previous statement. The phrase is most frequently found in news and media sources and is generally considered to have a neutral to informal register. When using "so is", ensure that the verb "is" agrees with the subject that follows it. Alternatives like "likewise" or "similarly" can be used for a more formal tone.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
likewise
Indicates that something is true in the same way that something else is.
similarly
Expresses a direct parallel or likeness between two things.
that's also true
Affirms the previous statement and adds a new subject to it.
the same goes for
Emphasizes that the previous statement applies to the new subject as well.
it is also
More explicitly states that the next thing is also true.
as well
Adds an additional item or idea that is similar or related.
in the same way
Highlights the parallel or similarity between two situations.
also
Similar to "as well", indicating an addition of similar information.
too
A shorter, more informal way to indicate 'also'.
and
Connects two similar or related ideas together.
FAQs
How can I use "so is" in a sentence?
Use "so is" to agree with a previous statement. For example, if someone says, "He is tall", you can respond, "So is his brother".
What does "so is" mean?
"So is" is used to indicate that something is also true of another subject or situation. It's a way of expressing agreement or similarity.
Which is correct, "so is he" or "so he is"?
"So is he" is the correct structure. It's an inversion used to show agreement. "So he is" is grammatically incorrect in this context.
What are some alternatives to "so is"?
Alternatives include "likewise", "similarly", or "the same goes for 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
93%
Authority and reliability
4.6/5
Expert rating
Real-world application tested