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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
wasn't
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the phrase "wasn't" is correct and usable in written English.
It can be used in various contexts to indicate the negative past tense of "was," often in informal or conversational writing. Example: "She wasn't at the meeting yesterday, so we missed her input."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(6)
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
She wasn't.
Academia
There wasn't.
Academia
Cosmopolitan wasn't.
News & Media
Wasn't sure.
News & Media
Gates wasn't.
News & Media
Wasn't it?
News & Media
(He wasn't).
News & Media
Who wasn't?
News & Media
Fanning wasn't.
News & Media
"Santo wasn't.
News & Media
Wasn't then.
News & Media
Expert writing Tips
Best practice
Use "wasn't" in informal writing and speech for a natural, conversational tone. In formal contexts, consider using "was not".
Common error
Avoid using "wasn't" in formal writing, especially in academic papers or legal documents where full forms are preferred for clarity and precision.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"Wasn't" functions as a contracted form of 'was not', serving to negate a statement in the past tense. Ludwig examples show its use in indicating something that did not occur or a state that did not exist. Ludwig AI confirms its grammatical correctness.
Frequent in
News & Media
32%
Science
31%
Academia
15%
Less common in
Formal & Business
10%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
"Wasn't" is a common contraction of "was not", used to express negation in the past tense. Ludwig AI confirms its grammatical correctness. While acceptable in most contexts, formal writing often prefers the uncontracted form, "was not". The phrase sees frequent usage across news, scientific, and academic domains, demonstrating its broad applicability. Remember to adjust your choice between "wasn't" and "was not" based on the formality of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
was not
The uncontracted form of "wasn't", providing a slightly more formal tone.
it was not
Adds explicit subject, useful for clarification or emphasis.
that was not
Specifies 'that' as the subject, changing focus.
did not exist
Expresses absence of something instead of denial of a characteristic.
it failed to be
More formal way of saying it did not turn out to be something.
turned out not to be
Expresses the idea of an outcome contrary to expectation.
happened not to be
Indicates an event that did not occur in a certain way.
did not happen to be
Indicates a chance occurrence that did not happen.
was not the case
Replaces the entire clause with a general statement of negation.
was not true
Directly denies the veracity of a statement.
FAQs
What is the difference between "wasn't" and "was not"?
"Wasn't" is a contraction of "was not". Using "wasn't" is generally more informal, while "was not" is more formal and can be used for emphasis.
How to use "wasn't" in a sentence?
"Wasn't" is used to indicate the negative past tense of the verb 'to be'. For example: "He "wasn't there"" or "It "wasn't easy"".
Is it appropriate to use "wasn't" in formal writing?
While "wasn't" is grammatically correct, it's generally better to use the full form "was not" in formal writing to maintain a more professional tone.
What are some alternatives to "wasn't"?
Alternatives to "wasn't" include "was not", or rephrasing the sentence to use a different verb. For example, instead of "It "wasn't working"", you could say "It "failed to work"".
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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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested