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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
why was
Grammar usage guide and real-world examplesUSAGE SUMMARY
"why was" is a correct and usable part of a sentence in written English.
It is typically used to indicate the reason or cause behind something that happened in the past. Here is an example: "Why was Sarah absent from the meeting yesterday?" In this sentence, "why was" is used to inquire about the reason for Sarah's absence from the meeting. It could also be used in a statement, such as: "I couldn't figure out why John was so upset yesterday." In this case, "why was" is used to express confusion about the reason behind John's mood the previous day.
✓ Grammatically correct
News & Media
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
60 human-written examples
Why was she dancing?
News & Media
Why was I there?
News & Media
Why was that bad?
News & Media
WHY was he built?
News & Media
Why was it omitted?
News & Media
Why was it happening?
News & Media
Why was he heckled?
News & Media
Why was it constructed?
News & Media
Why was she asked?
News & Media
Why was Nabil killed?
News & Media
Why was she shooting?
News & Media
Expert writing Tips
Best practice
When using "why was", ensure the subject of your sentence is singular and in the past tense. For example, "Why was the decision made in this way?"
Common error
Avoid using "why was" with plural subjects. The correct form for plural subjects is "why were". For example, instead of saying "Why was they late?", say "Why were they late?"
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "why was" functions as an interrogative phrase used to inquire about the cause, reason, or explanation for a past event or state. Ludwig examples show a variety of contexts where this phrase is used to seek understanding.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "why was" is a common and grammatically correct interrogative phrase used to inquire about the reasons behind past events, primarily with singular subjects. As Ludwig AI confirms, it’s widely employed across various contexts, from news reporting to scientific discussions. Its usage is fairly neutral, fitting both formal and informal communication. Common errors to avoid include incorrect subject-verb agreement, especially with plural subjects, where "why were" should be used instead. Remember to use "why was" to ask for explanation about past events that involve a singular subject.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
what caused
Focuses on the cause, rather than the reason.
what's the reason
Directly asks for the reason, often implying a simple answer.
for what reason
A slightly more formal way of asking "why", often used for emphasis.
what were the reasons for
Highlights multiple reasons instead of a singular cause.
what prompted
Emphasizes the initiator or motivator of an action.
what's the explanation for
Seeks a detailed explanation rather than a simple reason.
on what account
A more formal and less common way of asking why.
due to what
Similar to 'what caused', but implies something is owed or attributed.
how come
A more informal and conversational way to ask why.
by what means
Focuses on the method or process that led to the result.
FAQs
How do I use "why was" in a sentence?
"Why was" is used to ask the reason for something in the past with a singular subject. For example, "Why was the meeting cancelled?"
What's the difference between "why was" and "why were"?
"Why was" is used with singular subjects, while "why were" is used with plural subjects. For example, "Why was he late?" versus "Why were they late?"
Can I use "what caused" instead of "why was"?
Yes, you can use alternatives like "what caused" depending on the context. While "why was" seeks a reason, "what caused" focuses on the direct cause or initiator of an event.
What are some other ways to ask "why was" in a more formal setting?
In formal contexts, you could use phrases such as "for what reason", or "on what account". These alternatives, while less common, add a layer of formality to your inquiry.
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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