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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
when I realised
Grammar usage guide and real-world examplesUSAGE SUMMARY
"when I realised" is correct and usable in written English.
It can be used when someone has just come to a sudden realisation. For example, "When I realised I had left my wallet at home, I knew I would have to go back and get it."
✓ Grammatically correct
News & Media
Alternative expressions(20)
upon realizing
after understanding
it dawned on me that
after I realised
I came to the understanding that
I recognized that
I became aware that
I understood that
it struck me that
I figured out that
I grasped that
where I realised
then I realised
now I realised
what I realised
when I read
when I knew
when I saw
then it dawned on me
then I recognized
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
That's when I realised, 'Oh!
News & Media
That's when I realised – there's something here.
News & Media
When I realised I was wrong".
News & Media
That was when I realised: 'My life is different now'.
News & Media
"That was when I realised teaching was definitely for me".
News & Media
That was when I realised this might be interesting.
News & Media
We cried together when I realised how hard it's been.
News & Media
I can pinpoint exactly when I realised I was fat.
News & Media
"But that's when I realised it wasn't ready.
News & Media
I don't remember when I realised it was going wrong.
News & Media
When I realised it was him, I couldn't believe it".
News & Media
Expert writing Tips
Best practice
When using "when I realised", ensure the following clause clearly articulates the realization. The sentence structure should maintain clarity and avoid ambiguity.
Common error
Avoid using "when I realised" without a clear explanation of what was realised. Vague or incomplete realizations can confuse the reader and diminish the impact of the sentence.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "when I realised" functions as a subordinating conjunction, introducing a dependent clause that specifies the time at which a realization occurred. Ludwig AI confirms its standard usage in English. The main clause that follows explains what was understood or recognized at that specific moment.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "when I realised" is a grammatically sound and very common phrase used to introduce a moment of understanding or a shift in perspective. As confirmed by Ludwig AI, it functions as a subordinating conjunction, primarily used in news and media contexts. To effectively use this phrase, ensure the realization is clear and avoid vague statements. Consider alternatives like "upon realizing" or "it dawned on me that" for varied expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
upon realizing
Emphasizes the point in time at which understanding occurred.
after understanding
Focuses on the state of having understood something, following a period of not understanding.
it dawned on me that
Highlights a gradual or sudden comprehension.
I came to the understanding that
Implies a process of reaching a conclusion or grasping a concept.
I recognized that
Focuses on identifying or acknowledging a fact or situation.
I became aware that
Highlights the gaining of consciousness or knowledge.
I understood that
States a clear comprehension of something at a particular point.
it struck me that
Suggests a sudden and impactful realization.
I figured out that
Implies a process of solving or discovering something.
I grasped that
Emphasizes a firm understanding or comprehension.
FAQs
How can I use "when I realised" in a sentence?
You can use "when I realised" to introduce a personal understanding or shift in perspective. For example, "When I realised I had forgotten my keys, I had to turn back."
What can I say instead of "when I realised"?
Alternatives include "upon realizing", "after understanding", or "it dawned on me that" depending on the context.
Is "when I realized" grammatically correct?
Yes, "when I realised" is grammatically correct and commonly used in English. It introduces a clause describing a moment of realization.
What's the difference between "when I realised" and "after I realised"?
"When I realised" emphasizes the specific moment of understanding, while "after I realised" focuses more on the period following the realization.
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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