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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
knew I would
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "knew I would" is correct and usable in written English.
It can be used when expressing a past realization or understanding about a future event or action. Example: "Even back then, I knew I would eventually pursue a career in writing."
✓ Grammatically correct
News & Media
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
58 human-written examples
I knew I would.
News & Media
I knew I would be.
News & Media
She knew I would understand.
News & Media
"I knew I would do it.
News & Media
She knew I would need it.
News & Media
He knew I would be worried".
News & Media
'I knew I would be back.
News & Media
I knew I would have played.
News & Media
"I knew I would have to produce".
News & Media
I knew I would serve.
News & Media
I knew I would say, "I adore you".
News & Media
Expert writing Tips
Best practice
Use "knew I would" when you want to express a past certainty about a future event or outcome. It adds a sense of inevitability or strong anticipation to your statement.
Common error
Avoid using "knew I will" as it mixes past and future tenses incorrectly. "Knew" indicates a past understanding, so it should be followed by "would" to refer to a future action from that past perspective.
Source & Trust
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "knew I would" functions as a declarative statement expressing a past certainty or anticipation about a future event. It is commonly used to convey a sense of inevitability or premonition. As confirmed by Ludwig, the phrase is grammatically sound and widely employed.
Frequent in
News & Media
100%
Less common in
Formal & Business
0%
Science
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "knew I would" is a grammatically sound and frequently used expression to convey a past certainty about a future event. As Ludwig AI confirms, this phrase is suitable for various contexts, although most commonly found in news and media. When using this phrase, ensure you're accurately representing a past understanding of a future action, and avoid tense mixing errors like "knew I will". Alternative phrases such as "anticipated I would" or "realized I would" can add nuance or formality to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
realized I would
Replaces "knew" with "realized", focusing on the understanding that something was inevitable.
expected I would
Uses "expected" instead of "knew", implying a belief that something was likely to happen.
was sure I would
Similar to "was certain", but slightly less formal.
was certain I would
Emphasizes the speaker's confidence in the future event using "was certain".
anticipated I would
Replaces "knew" with "anticipated", suggesting a prior expectation rather than certain knowledge.
believed I would
Uses "believed" to indicate a strong conviction about a future action.
had no doubt I would
Expresses a lack of uncertainty about the future using "had no doubt".
foresaw I would
Substitutes "knew" with "foresaw", indicating a prediction or vision of the future.
felt confident I would
Highlights the speaker's positive feeling about a future outcome using "felt confident".
suspected I would
Implies a weaker form of knowing, more of an inclination or hunch than a certainty.
FAQs
How can I rephrase "knew I would" to sound more formal?
For a more formal tone, consider using phrases like "anticipated I would" or "realized I would". These options offer a similar meaning with a slightly elevated vocabulary.
Is it grammatically correct to say "knew I will" instead of "knew I would"?
No, "knew I will" is grammatically incorrect. The correct construction is "knew I would", which uses the past tense "knew" with the conditional "would" to express a past certainty about a future event.
What's the difference between "thought I would" and "knew I would"?
"Thought I would" implies a belief or opinion about a future action, while "knew I would" suggests a stronger sense of certainty or inevitability. The level of conviction is different.
In what situations is "knew I would" most appropriate?
The phrase "knew I would" is best used when you want to emphasize a past realization or understanding of something that was going to happen in the future. It suggests a strong sense of anticipation or certainty.
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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
94%
Authority and reliability
4.8/5
Expert rating
Real-world application tested